Alternatives to CSS HTML Validator
Compare CSS HTML Validator alternatives for your business or organization using the curated list below. SourceForge ranks the best alternatives to CSS HTML Validator in 2025. Compare features, ratings, user reviews, pricing, and more from CSS HTML Validator competitors and alternatives in order to make an informed decision for your business.
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HTML Email Check
HTML Email Check
HTML Email Check includes all the tools developers need to create, check and validate their HTML emails with, including instant validation results, an integrated HTML editor, layout viewer, and email sending. Validation of the HTML markup, structure, and client-specific tags. Validation of CSS formatting, inline CSS, and client-specific styling. Validation of font types, web fonts, and client-specific styling. Checking of image sources, dimensions, and attributes. Checking for working URL's, special links, and attributes. Layout and HTML structure testing on non client-specific devices. Send up to 10 test emails at a time directly to your inbox. Covering important aspects your email should include before sending. Every day is different and sometimes you need to react quickly to a certain situation or last-minute changes.Starting Price: $14.95 per month -
2
CodeLobster IDE
CodeLobster Software
When you start developing with PHP, you face the problem of deciding which IDE to choose. Most companies sell their IDE's for high prices ($100-$500). We, on the other hand, offer a multifunctional portable IDE absolutely FREE with all these standard features: PHP/HTML/CSS/JavaScript highlighting; advanced PHP/HTML/CSS/JavaScript autocomplete; a powerful PHP debugger; context and dynamic Help; a code validator; a SQL manager and much more. CodeLobster IDE streamlines and simplifies the PHP development process. You don't need to keep in mind the names of functions, arguments, tags or their attributes we've implemented all these for you with autocomplete features for PHP, HTML, JavaScript and even CSS. And you can always get necessary help information by pressing F1 or using the special Help control. An internal free PHP Debugger allows you to validate your code locally. -
3
GDPR Privacy Notice Generator
GDPR Privacy Notice Generator
Generates ready to use, fully customizable HTML code you can add to any website in just minutes! Easy to complete form fills in the requisite sections of the privacy notice in accordance with Articles 12, 13 and 14 of the European General Data Protection Regulation (GDPR). Designed to meet the concise, transparent, intelligible, easily accessible and clear and plain language requirements of Article 12. Follows best practices on privacy notices. Responsive design resizes for any size screen (from mobile to large monitors). Easy words and structure for increased reader comprehension. Reviewed with HTML5 Validator , W3C Validator, HTML Code Sniffer for WCAG, Juicy Studios Accessibility Toolbar, and AInspectior Sidebar for accessibility and web standards. Javascript code uses subresource integrity checks to prevent tampering and malware injection attacks. Support for multiple languages. -
4
Minty Email Tester
MintyEmailTester.com
Minty Email Tester sends HTML email code to users' inboxes to check for rendering issues across different email providers like Gmail, Outlook, and Yahoo. Key Features: • Send test emails to multiple providers simultaneously • Save up to 10 email addresses to avoid retyping recipient lists • HTML validation checks for missing or malformed alt attributes on images • Table role validation and malformed HTML detection • Automatic CSS inlining for better email client compatibility Pricing: Free tier (5 emails/month) and Pro subscription ($9/month) for unlimited testing and advanced features.Starting Price: $9/month -
5
Parsley
Parsley
Parsley, the ultimate JavaScript form validation library. Validating frontend forms has never been so powerful and easy. Like no other form validation library, simply write in English your requirements inside your form HTML tags, Parsley will do the rest! No need to write even a single JavaScript line for simple form validation. Parsley is now smarter, it automatically detects your forms' modifications and adapts its validation accordingly. Simply add, remove or edit fields, Parsley validation will follow! Parsley is shipped with more than a dozen useful validators. If not enough, use the awesome Parsley extra Ajax validator or tons of other extended validators provided by the community. Parsley strongly focuses on UI and UX. Override almost every Parsley default behavior to fit your exact needs. Still ships almost bug-free. Parsley is strongly tested and aims to work on every browser (including IE8).Starting Price: Free -
6
RapiDoc
RapiDoc
Free of any frameworks, setups, configs, build steps, or packaging. Can be used with any framework or just with vanilla Javascript. Style it to your heart's content. Change font, logo, colors, and theme. Inject external HTML or embed it into another HTML document. Create beautiful, customizable, interactive API documentation from OpenAPI specification. Use It just like any other HTML tag, Change its attribute using JavaScript and see it react to those changes. Basic knowledge of HTML is all that's required. Minimal dependencies, no runtime, and no virtual DOM ensure the lowest memory consumption, Just the native and raw speed of modern browsers. Loved by tech writers, designers, dev-ops, testers, and developers alike, due to its simplicity, interoperability, and powerful features. No special build-steps, runtime, or framework are required. Comes with built-in console to Try out the APIs. Supports authentication mechanism. No validation ensures you can test negative cases.Starting Price: Free -
7
jsoup
jsoup
jsoup is a Java library that simplifies working with real-world HTML and XML. It offers an easy-to-use API for URL fetching, data parsing, extraction, and manipulation using DOM API methods, CSS, and XPath selectors. jsoup implements the WHATWG HTML5 specification and parses HTML to the same DOM as modern browsers. With jsoup, you can scrape and parse HTML from a URL, file, or string; find and extract data using DOM traversal or CSS selectors; manipulate HTML elements, attributes, and text; clean user-submitted content against a safelist to prevent XSS attacks; and output tidy HTML. jsoup is designed to deal with all varieties of HTML found in the wild, from pristine and validating to invalid tag-soup, creating a sensible parse tree. For example, you can fetch the Wikipedia homepage, parse it to a DOM, and select the headlines from the "In the news" section into a list of elements. -
8
jPDFWeb
Qoppa Software
jPDFWeb is a Java library to convert PDF documents to SVG / HTML5. The library can save to the local file system or to an output stream to be able to serve the document directly to a client browser when working within a J2EE server. jPDFWeb is built on top of Qoppa’s proprietary PDF technology so you do not have to install any third party software or drivers. Since it is written in Java, it allows your application to remain platform independent and run on Windows, Linux, Unix (Solaris, HP UX, IBM AIX), Mac OS X and any other platform that supports the Java run-time environment. Features: -Convert PDF Documents to HTML5 / SVG -Convert Microsoft Word & Excel Documents to HTML5 (when combined with jOfficeConvert) -Convert Text -Convert Images -Convert Vector Graphics -Convert Annotations, Links and Form Field Data -Convert Digital Signature Validation Status -Export Page Thumbnails -Support for CJK fonts -Support for latest PDF format -
9
Markdown
Markdown
Markdown allows you to write using an easy-to-read, easy-to-write plain text format, then convert it to structurally valid XHTML (or HTML). Thus, “Markdown” is two things: (1) a plain text formatting syntax; and (2) a software tool, written in Perl, that converts the plain text formatting to HTML. See the Syntax page for details pertaining to Markdown’s formatting syntax. You can try it out, right now, using the online Dingus. The overriding design goal for Markdown’s formatting syntax is to make it as readable as possible. The idea is that a Markdown-formatted document should be publishable as-is, as plain text, without looking like it’s been marked up with tags or formatting instructions. While Markdown’s syntax has been influenced by several existing text-to-HTML filters, the single biggest source of inspiration for Markdown’s syntax is the format of plain text email.Starting Price: Free -
10
MōBrowser
TeamDev
MōBrowser is an SDK for building modern and secure cross-platform desktop apps with HTML/CSS/JavaScript GUI. It includes many tools for generating a project from different templates, building, branding, packaging, signing and notarizing, making installers for macOS, Windows, and Linux, auto-updating apps, etc. With MōBrowser you can turn your website or web application into a desktop application, make desktop apps with modern HTML/CSS UI, make desktop apps with UI built using modern frontend frameworks such as React, Vue, Angular, etc.Starting Price: $128/user/month -
11
Prerender
Prerender
Get higher rankings by serving crawlers a static HTML version of your Javascript website, without compromising your customers’ experience. Prerender® is a SaaS platform that makes your JavaScript website SEO-friendly. Before your customer can find your website on search engines like Google, it first has to be crawled and indexed by one of their web crawlers, such as Googlebot. They do this by reading and cataloging a stripped-down, HTML version of your website with the visual and interactive elements taken away. This normally isn’t an issue if your website is built in static HTML, and typically takes just a few days. If your website is made in a JavaScript framework, it’s a different story. While Google can crawl websites built in JavaScript, it’s much harder for them to do. It can easily take weeks before your JavaScript website can be indexed and found in the search results. Google will see all of your content and links, and get your website in front of your customers in no-time.Starting Price: $90 per month -
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phase 5
phase 5
A classic among German HTML editors! Some features of the HTML editor are project management, TAG completion for HTML commands, syntax coloring to improve readability, HTML forms, integrated image viewer, syntax debugger, umlaut conversion, indentation assistant, project-wide replacement of text, user-defined menus and templates, supports common formats such as PHP, Javascript, HTML, VBScript, JAVA, Pearl, file manager to quickly switch between your documents, edit several documents at the same time, table assistant and much more. Free use only for home users and schools. Schools, in the sense of the licensing regulation, are institutions that prepare for vocational training. Companies, registered associations, and authorities must acquire a license in order to be able to work legally with the program. phase 5 runs without problems under both the 32-bit and the 64-bit version of Windows 10.Starting Price: €47.60 one-time payment -
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AChecker
AChecker
AChecker is used to evaluate HTML content for accessibility problems by entering the location of a web page, uploading an html file, or by pasting the complete HTML source code from a Web page. AChecker produces a report of all accessibility problems for your selected guidelines. Known problems: These are problems that have been identified with certainty as accessibility barriers. You must modify your page to fix these problems; Likely problems:These are problems that have been identified as probable barriers, but require a human to make a decision. You will likely need to modify your page to fix these problems; Potential problems: These are problems that AChecker cannot identify, that require a human decision. You may have to modify your page for these problems, but in many cases you will just need to confirm that the problem described is not present. -
14
Electron
Electron
Thousands of organizations spanning all industries use Electron to build cross-platform software. Build cross-platform desktop apps with JavaScript, HTML, and CSS. If you can build a website, you can build a desktop app. Electron is a framework for creating native applications with web technologies like JavaScript, HTML, and CSS. It takes care of the hard parts so you can focus on the core of your application. Electron uses Chromium and Node.js so you can build your app with HTML, CSS, and JavaScript. Electron is an open-source project maintained by the OpenJS Foundation and an active community of contributors. Compatible with Mac, Windows, and Linux, Electron apps build and run on three platforms. To get started with Electron, check out the resources available. Learn how to wrap your web app with Electron, access all the APIs, and generate installers. Also, Electron Fiddle lets you create and play with small Electron experiments.Starting Price: Free -
15
A11yInspect
BarrierBreak
A11yInspect is an accessibility browser extension that makes accessibility testing simple. It detects failures, identifies accessibility issues to validate and highlights code. It reduces time taken to implement accessibility for your developers and accessibility professionals. Check out what A11yInspect can do for you: 1) Highlight Code 2) Wide Range of Bookmarklets 3) View your Scan Log 4) Download Screenshots 5) Key Code Attribute Key features include: 1) Exhaustive Rulesets: Frequently updated to improve the accuracy, reduce false positives and increase coverage of the accessibility guidelines. 2) WCAG Conformance: Success Criteria and Severity mapping helps you plan accessibility implementation. 3) Detailed Analysis: Test by specific elements or all elements. Easy to understand issues categorized as Fails, Validates & Suggestions. 4) Analyse Color Palette: In-built color contrast checker & CSS overview Download A11yInspect Now!Starting Price: $87.89 -
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Xmplify
Xmplify
Xmplify is a 64-bit native application providing a fully XML-aware editing environment. It offers intelligent editing aids and suggestions by analyzing XML content in real-time. It features an outline view that displays the document's structure and updates automatically with edits. For documents with a DTD or XML Schema, Xmplify performs automatic validation and offers auto-completion based on the document's definition, displaying relevant documentation for each suggestion. In the absence of a specified DTD or Schema, Xmplify can automatically derive one to facilitate accurate auto-completion. Additional features include quick navigation to element definitions, support for XSL transformations with built-in and external processors, live web previews for (X)HTML documents, and powerful search capabilities using XPath and regular expressions.Starting Price: $59 one-time payment -
17
BROWSEO
Browseo
BROWSEO is a web app that allows you to view any webpage without distractions caused by styles. It also highlights parts of a page that are relevant for SEO. The output focuses on pure HTML, similar to what search engines see when they visit a page. Browseo is a wonderful tool for browsing pages through the eyes of a search engine. When it comes to analyzing site structure and other factors that pertain to an entire website, Screaming Frog is the tool of choice for many. -
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PDFShift
PDFShift
A fast, reliable and easy HTML to PDF conversion API. PDFShift is an API to convert HTML/CSS documents to high-fidelity PDF. Our always-up-to-date API for developers automates your document conversion tasks - effortlessly and with no maintenance costs.Starting Price: $9/month -
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First Page 2006
EVRSOFT
3,000,000+ downloads since the first release, Evrsoft brings you First Page 2006, the highly anticipated HTML editing software. Evrsoft First Page 2006 gives you unsurpassed freedom to create and edit web documents with absolute code control. The latest version includes hundreds of new features and bug fixes. First Page 2006 now includes full support for HTML, XHTML, PHP, ASP, Cold Fusion, Javascript, CSS, SSI and Perl. FirstPage 2006 is designed for professional web development. Create, Edit and deploy websites with absolute ease and precision. The integrated tools empower web developers to develop standards-based web documents, quickly and easily. Tag insight aids you with HTML code development. Its smart Auto History feature remembers all the attributes and values commonly used. First Page automatically detects CSS class styles in documents so you can create CSS pages easier than ever before. -
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Elite Site Optimizer
eGrove Systems
Elite Site Optimizer - a comprehensive website audit and optimization tool making digital marketing easy. Elite Site Optimizer offers a complete suite of SEO, Audit, Optimization and Content quality check features. A platform to identify and fix issues with your website's content, performance, accessibility, and Total Experience! Leverage the power of 60+ tools and make a smarter step to digital transformation. What Elite Site Optimizer can do for you: > Audit your website’s content and code > Find out if your site is accessible > Make your site more discoverable on search engines > Help you build your own SEO marketing strategy > Provide reports about every last detail of your site.Starting Price: $49.00/month -
21
EVO HTML to PDF Converter for .Net
Evo PDF Software
EVO HTML to PDF Converter for .NET EVO HTML to PDF Converter for .NET and .NET Core is a library that can be easily integrated and distributed in your ASP.NET and MVC web sites, desktop applications, Windows services and Azure cloud services to convert web pages, HTML strings and streams to PDF, to images or to SVG and to create nicely formatted and easily maintainable PDF reports and documents. The converter has full support for HTML5, CSS3, SVG, Canvas, Web Fonts and JavaScript. Does not require installation or any third party tools. EVO HTML to PDF Converter. EVO HTML to PDF Converter for .Net EVO HTML to PDF Converter Library for .NET combines the powerful printer friendly PDF format with the flexibility of the popular HTML format into a modern tool for creating nicely formatted and easily maintainable PDF reports and documents. itemThe library does not rely on external tools or services and does not require installation or server configuration changes, supporting simple -
22
JSONBuddy
JSONBuddy
JSONBuddy is a comprehensive JSON editor and validator designed to streamline the creation and management of JSON and JSON Schema files. It offers a range of features, including a text editor with syntax coloring, auto-completion, and code folding, as well as a grid-style editor that simplifies the process of building JSON structures. It ensures error-free JSON through built-in syntax checking and validation against JSON Schema standards, supporting Drafts 4, 6, 7, 2019-09, and 2020-12. Additionally, JSONBuddy provides functionalities for converting between JSON, XML, and CSV formats, importing CSV data to generate JSON, and generating HTML documentation from JSON Schemas. For large JSON files, it offers robust support, allowing users to open, navigate, and edit files with thousands or even millions of lines efficiently.Starting Price: $39 one-time payment -
23
jQuery
jQuery
jQuery is a fast, small, and feature-rich JavaScript library. It makes things like HTML document traversal and manipulation, event handling, animation, and Ajax much simpler with an easy-to-use API that works across a multitude of browsers. If you're new to jQuery. Return a collection of matched elements either found in the DOM based on passed argument(s) or created by passing an HTML string. All the aspects of the API that were deprecated in the corresponding version of jQuery. These methods get and set DOM attributes of elements.Starting Price: Free -
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HTML-NOTEPAD
HTML-NOTEPAD
It is a WYSIWYG editor of structured documents, texts that have hierarchical and semantically meaningful structure, headers, lists, plaintext islands, tables and so on. HTML-NOTEPAD is not a “web page editor”. Don’t even expect to create “cool web pages” with it. With modern CSS, WYSIWYG Web design is simply impossible. Web pages are crafted manually by editing CSS, that is by nature of CSS. But still, HTML-NOTEPAD can be useful for Web designers too, for the cases when we need to create textual (yet structural) content of our pages. HTML-NOTEPAD uses Sciter Engine for its UI. That means it is small, fast, does not have external dependencies and works on all major desktop operating systems, Windows (from XP to 10), Mac OS, and Linux. WYSIWYG editing has limitations, some operations are significantly more convenient to do in source code representation. That’s why HTML-NOTEPAD supports “pass-through selection”. -
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Bideo.js
Bideo.js
Bideo.js is a JS library that makes it super easy to add fullscreen background videos. Fullscreen HTML5 background video for the web. Want to play a video in the background of a container or body itself? This plugin will help you do exactly that. The video element in use will automatically adapt to the container's dimensions. It will also resize as the browser window resizes. The plugin doesn't support any overlay as it is easy to implement that with plain HTML/CSS in your code. Video might take a few seconds to load, especially because the sources are added via JS which is something you'll load after the DOM's loading. Until then, you may want to show a video cover, which will be the same as the first frame or the video (or some other image). The support for this is not in the plugin as it's fairly simple to achieve this via just HTML/CSS (just like overlays).Starting Price: Free -
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PDFreactor
RealObjects
Whenever you need to generate PDF from HTML there is usually a lot to take into consideration to achieve impeccable printing results. If you want to convert a HTML file to PDF, if you use a webpage or rely on Database Publishing – there is a way to turn even complex HTML into PDF. With PDFreactor you count on a powerful HTML to PDF converter software. The wide range of functions exceed most converter tools and bring your PDF converting to the next level. Easily convert HTML to PDF. Supports HTML5, CSS3, JavaScript. APIs for JavaScript, Java, PHP, .NET, Python, Ruby, Perl, Node.js, SOAP, REST. Docker Image. Free Personal License! PDFreactor is the perfect printing component for web applications, incl. Database Publishing, Web-to-Print, PIM, DMS, MDM, DAM, WCMS, VDP etc. It is typically used for server-side conversion of HTML to PDF, ranging from dynamic data-driven documents (reports, invoices, forms, data sheets) for electronic distribution to complex and high-quality PDFs.Starting Price: $2,950 -
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Silktide
Silktide
Silktide gives you everything you need to make your website better, with automated accessibility testing, content optimization, and digital marketing in one platform. Silktide is used by thousands of customers to analyze tens of millions of websites every year. We cover almost every aspect of your web presence, including content, accessibility, marketing, mobile, speed, and legal compliance. Visit our website to see a live platform demonstration. -
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Global Sites AI
Global Sites AI
Global Sites AI is a revolutionary tool that empowers users to effortlessly create static sites in multiple languages with the help of advanced AI technology. With a focus on simplicity and efficiency, this platform offers a range of features that make website localization a breeze: ● Seamless Integration of i18next for Translations: Easily translate your content into multiple languages using the i18next integration, ensuring a smooth and accurate localization process. ● Custom Language Switcher: A user-friendly language switcher allows visitors to navigate between different language versions of your site with ease, enhancing the overall user experience. ● Sitemap and Robots.txt Generator: Automatically generate sitemaps and robots.txt files tailored to each language version of your site, optimizing search engine visibility and indexing. ● Built-in HTML Validations: Ensure that your site meets industry standards with built-in HTML validations.Starting Price: $99 -
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DubBot
DubBot
Web governance software that works as hard as you do. Ensure accessibility for all your web visitors to provide the best user experience possible. DubBot tests your sites for all levels of web accessibility as defined by WCAG 2.1. Stop sending your visitors into black holes. Easily detect broken links throughout your website content so you can correct them swiftly. Enforce legal, style, branding, and regulatory requirements with customizable Web Governance Checks. Easily create custom content checks that are specific to your organization’s policies. Put your best foot forward. Stay on-brand by avoiding embarrassing misspellings. Receive scores for your web content that can help to identify if it is too dense and verbose. Quickly check that your content is getting the most bang for its buck. DubBot tests that your webpages follow SEO best practices. Utilizing DubBot, you can easily see SEO quick wins and start working toward improving your content’s potential search ranking. -
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MailerCheck
MailerCheck
MailerCheck is an all-in-one email deliverability platform that helps businesses optimize their campaigns and email configuration. With the email verification tool, users can upload a single email or entire email list and analyze it to find problematic and invalid emails to be removed to keep sender reputation intact and improve deliverability. The Email Insights module provides a campaign analytics tool that lets businesses checks for spam, validate HTML, troubleshoot sender authentication, and more on a centralized platform. Switch to Inbox Placement and you can check whether your campaign will land in the inbox, promotions or spam folder of leading mailbox providers. MailerCheck has native integrations with email marketing platforms such as MailerLite, Mailchimp, ActiveCampaign and more. Businesses can also utilize the email verification API for real-time validation within their website or app, and Zapier to integrate the platform with thousands of other apps.Starting Price: $10.00 -
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Mercury Editor
Mercury Editor
Mercury is a full featured HTML5 editor. It was built from the ground up to help your team get the most out of content editing in modern browsers. Mercury comes bundled as a Rails Engine, so just include it in your Gemfile. Or download the current bundled package if you're not using Rails. We don't inject javascript or css into your production pages so you're free to use whatever frameworks you want without having to worry about conflicts. Easily add or remove toolbar items or create entirely new tools. Any toolbar item can be tied to an action using behaviors and the command pattern. Full HTML, Simple, Markdown, Snippet and Image regions are supported by default, but you can just extend the base regions to build your own types. Built on top of the HTML5 contentEditable features, it natively supports the all the fancy new HTML5 elements, syntax, and JavaScript APIs. -
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UI-licious
Uilicious
Stop writing brittle tests with hard-coded CSS, XPATH selectors and waits. Write tests that are meaningful to people, effortless to maintain, and reusable. The reason for this is because writing your tests using hard-coded CSS and XPATH selectors is like pouring concrete onto a specific UI implementation. This creates very high-maintenance tests that break at the slightest changes to the UI and are very hard for humans to read. UI-licious uses dynamic code analysis to understand the structure of your website based on the use of semantic HTML and ARIA accessibility attributes, as well as context of the previous commands, to identify which is the intended element to target for every command. This means that even if the HTML code for the UI changes underneath the code, the test is valid as long as the user journey remains the same. That said, your website doesn't to be written perfectly for UI-licious to work.Starting Price: $90 per month -
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mPDF
mPDF
mPDF is a PHP library that generates PDF files from UTF-8 encoded HTML. It is based on FPDF and HTML2FPDF with a number of enhancements. It is slower than the original scripts e.g. HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles, etc., and has been much enhanced. mPDF as a whole is quite a dated software. Nowadays, better alternatives are available, albeit not written in PHP. Use mPDF if you cannot use a non-PHP approach to generate PDF files or if you want to leverage some of the benefits of mPDF over the browser approach, color handling, pre-print, barcodes support, headers and footers, page numbering, TOCs, etc. But beware that an HTML/CSS template tailored for mPDF might be necessary. If you are looking for state-of-the-art CSS support, mirroring existing HTML pages to PDF, use headless Chrome. mPDF will still be updated to enhance some internal capabilities and to support newer versions of PHP.Starting Price: Free -
34
SelectPdf
SelectPdf
The online HTML to pdf converter offered by SelectPdf uses the HTML to pdf converter from Select.Pdf Library for .NET. SelectPdf SDK for .NET offers the possibility to create new pdf documents, load existing documents, merge existing pdf documents, split pdf documents, and add elements to newly created or existing pdf documents. The HTML to pdf converter from Select.Pdf Library for .NET can be used in any .NET application to generate pdf documents from full web pages or raw HTML code, much like the online HTML to pdf converter does. The free trial contains ready-to-use samples, coded in C# and VB.NET for Windows Forms, ASP.NET, ASP.NET MVC with Razor and ASPX engines. With the free HTML to pdf converter from SelectPdf, you can convert any url, HTML file or HTML string to pdf, with the possibility to add custom headers and footers.Starting Price: $19 per month -
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Borlabs Cache
Borlabs
Just activate Borlabs Cache and the speed of your website will increase immediately. Choose from our cache templates e.g. E-Commerce, and Borlabs Cache is automatically optimized for your online store. All your pages will be cached and saved in milliseconds. Fast loading pages are essential for improving your search engine optimization. Our cache preloader ensures that your content is always up to date and your website is loaded super fast. Merges JavaScript and CSS to single files and sends them compressed to your visitors. Removes the unnecessary whitespace and HTML comments in your page and optimizes the embedding of Google Fonts. This reduces the size and loading time of your website. Allows you to execute PHP code or dynamic content in cached pages. Useful when displaying banners, shopping baskets or other information that is constantly changing.Starting Price: €29 per 1 website -
36
Backbone.js
Backbone.js
Backbone.js gives structure to web applications by providing models with key-value binding and custom events, collections with a rich API of enumerable functions, views with declarative event handling, and connects it all to your existing API over a RESTful JSON interface. When working on a web application that involves a lot of JavaScript, one of the first things you learn is to stop tying your data to the DOM. It's all too easy to create JavaScript applications that end up as tangled piles of jQuery selectors and callbacks, all trying frantically to keep data in sync between the HTML UI, your JavaScript logic, and the database on your server. For rich client-side applications, a more structured approach is often helpful. With Backbone, you represent your data as Models, which can be created, validated, destroyed, and saved to the server.Starting Price: Free -
37
Vue.js
Vue.js
Builds on top of standard HTML, CSS and JavaScript with intuitive API and world-class documentation. Truly reactive, compiler-optimized rendering system that rarely requires manual optimization. A rich, incrementally adoptable ecosystem that scales between a library and a full-featured framework. Vue is a JavaScript framework for building user interfaces. It builds on top of standard HTML, CSS and JavaScript, and provides a declarative and component-based programming model that helps you efficiently develop user interfaces, be it simple or complex. Vue extends standard HTML with a template syntax that allows us to declaratively describe HTML output based on JavaScript state. Vue automatically tracks JavaScript state changes and efficiently updates the DOM when changes happen. Vue is a framework and ecosystem that covers most of the common features needed in frontend development. -
38
Markdown Monster
Markdown Monster
Markdown Monster is a powerful, yet easy to use Markdown editor and viewer with syntax highlighting and sophisticated and fast edit features. A collapsible, synced, live preview lets you see your output as you type and scroll. Easily embed images, links, tables, emojis and code using Markdown text or use our UI based helpers to simplify many operations with a few keystrokes. Paste images from the clipboard or drag and drop from Explorer or our built-in file browser. Inline spell-checking and word counts keep your content streamlined unobtrusively. You can export your Markdown to HTML or PDF by saving to disk or by copying Markdown selections as HTML directly to the clipboard. The HTML preview can display syntax colored code snippets for most common coding languages, and can easily be customized with HTML and CSS template to match your own sites. You can choose from a light and dark app themes, and choose individual editor and preview themes that are fully customizable.Starting Price: $59 one-time payment -
39
Textbox.io
Tiny Technologies
Textbox.io's powerful editing tools and simple user interface let you create great looking HTML anywhere: on the desktop and on mobile. This demo shows the Textbox.io editor in its standard configuration, with its core HTML editing capabilities enabled. These include text formatting, tables, hyperlinks, and lists. Textbox.io is the first WYSIWYG HTML editor designed for desktop and mobile devices. Its revolutionary app-like mobile UI delivers an optimized UI for tablet and handset users. Easily add and upload images using the device camera or gallery, use text-to-speech to enter content and enjoy effortless rich text editing from anywhere. The best editor available, tightly integrated with IBM products. Built-in image handling & storage. File drag & drop, spell check & autocorrect, clean copy-paste from Microsoft Word, and cross-browser support. Create content more effectively in blogs, wikis, profiles and more. -
40
Locofy
Locofy
Frontend development accelerated with AI. Turn designs into frontend code for web & mobile. Build full apps, screens, components & design systems. Ship products 10x faster with your existing design tools, libraries, tech stack & CI/CD workflows. Figma & Adobe XD to React, React Native, HTML/CSS, Gatsby, Next.js, Vue, and more coming soon. Keep using the tools you already use. We provide a Figma & Adobe XD plugin to tag your interactive elements and handle styling, layout, and responsiveness. As a bonus, we provide pre-built components from Material UI, Bootstrap, Ant Design, Chakra UI as well as your Storybook. Locofy converts your designs into production-ready code for React, React Native, HTML-CSS, Next.js, Gatsby, Vue, and more on the way in your preferred framework. Make reusable components and props with LocoAI. Export your code in your preferred settings (CSS Modules, Tailwind, CSS, Typescript, JavaScript, Expo).Starting Price: Free -
41
Jaunt
Jaunt
Jaunt is a Java library designed for web scraping, web automation, and JSON querying. It provides a fast, ultra-light headless browser that enables Java programs to perform tasks such as web scraping, form handling, and interfacing with REST APIs. Jaunt supports parsing of HTML, XHTML, XML, and JSON, and offers features like HTTP header and cookie manipulation, proxy support, and customizable caching. The library does not support JavaScript execution; however, for automating JavaScript-enabled browsers, Jauntium is recommended. Jaunt is available under the Apache License, with a monthly edition that expires periodically, requiring users to download the latest version upon expiration. The library is suitable for tasks such as parsing and extracting data from web pages, filling out and submitting forms, and handling HTTP requests and responses. Comprehensive tutorials and documentation are available to assist users in getting started with Jaunt. -
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PageSection
PageSection
Save time creating html markup (content) for web projects, link to preview online. Suitable for Bloggers, Copywriters, Creative Teams & Professionals. We provide editable templates and snippets to enable users save time creating HTML markup & content. Upload custom HTML templates and edit, save or share webpage content using the online html editor. Or create online preview web links, share download links, and so much more with uploaded project files. -
43
Auditsu
Auditsu
AUDITSU delivers a complete accessibility audit for mobile apps aligned with the European Accessibility Act (EAA), providing a clear action plan in minutes. Its automated risk detection engine evaluates WCAG 2.1 AA compliance and EN 301 549 validation, quantifies legal exposure, and presents results through an intuitive dashboard showing your Accessibility Score and Compliance Coverage. AUDITSU highlights critical and noncritical issues by business impact, so you know exactly what to fix first without being overwhelmed by technical jargon. Continuous monitoring ensures you stay compliant as your app evolves, with real‑time alerts when changes affect accessibility. With a compliance guarantee, your first audit is free if no significant issues are found, and a lightweight interface requiring no specialized expertise, AUDITSU makes it simple to verify EAA compliance.Starting Price: Free -
44
Firefox Developer Tools
Mozilla
Firefox Developer Tools is a set of web developer tools built into Firefox. You can use them to examine, edit, and debug HTML, CSS, and JavaScript. This section contains detailed guides to all of the tools as well as information on how to debug Firefox for Android, how to extend DevTools, and how to debug the browser as a whole. You can open the Firefox Developer Tools from the menu by selecting Tools > Web Developer > Web Developer Tools or use the keyboard shortcut Ctrl + Shift + I or F12 on Windows and Linux, or Cmd + Opt + I on macOS.Starting Price: Free -
45
CSSPicker
CSSPicker
CSSPicker is a versatile web development tool designed to streamline the process of extracting, converting, and generating front-end code. Its core features include a browser extension that allows users to copy HTML and CSS from any website, even from elements within iframes, and convert them into code snippets compatible with frameworks like React, Tailwind CSS, or plain HTML/CSS. It also offers an AI-powered UI generator that enables users to create user interfaces by describing their design ideas in natural language, which are then transformed into production-ready code. Additionally, CSSPicker provides an 'Image to Code' feature, allowing users to upload screenshots or images of UI designs and receive clean, responsive code in formats such as HTML/CSS or React. For developers working with legacy code or seeking to modernize their projects, CSSPicker's AI tools can assist in refactoring and optimizing existing UI components.Starting Price: $9.90 per month -
46
Geektest
Goodmind Software
Geektest is a pre-employment programming skills testing service. We help employers to hire faster, cheaper and minimize time spent on interviews. We develop a variety of coding tests, such as PHP, HTML/CSS, JavaScript, Python, Java, .NET, SQL, Ruby on Rails, Android, iOS, Swift and C++ to fully support your recruitment process and get you the best results. All you need to do is generate a test link, send it to an applicant and once they finish the test - you'll see a report in your mailbox.Starting Price: $74.95 per month -
47
Aurelia
Aurelia
Aurelia's standards-based, unobtrusive style makes it the only framework that empowers you to build components using vanilla JavaScript or TypeScript. If you know modern JS and HTML, there's little more to learn to build even the most complex apps. At the core of Aurelia is a high-performance, reactive system, capable of batching DOM updates in a way that leaves other frameworks, and their virtual DOMs, in the dust. Experience consistent, scalable performance, no matter how complex your UI. Aurelia enables powerful reactive binding to any object. By using adaptive techniques Aurelia selects the most efficient way to observe each property in your model and automatically syncs your UI and your state with best-in-class performance. State management, internationalization and validation - all official plugins from the core team. CLI, VS Code plugin, and Chrome debugger - optional tools to enhance development.Starting Price: Free -
48
Desech Studio
Desech
Desech Studio is a free modern no code visual html/css editor which enables you to import your Figma, Sketch, AdobeXD design file to generate a clean html structure positioned with CSS grids. Then you can integrate it with React, Angular, Vue or Material Design. This is a product that I have worked on for quite some time and I'm excited to show it to the world. Desech Studio will always be free, with offline support and privacy conscious. Future plans are to integrate with Wordpress, and then implement features that will allow you to not need design software, and just design your application directly in Desech Studio.Starting Price: €9.99 per month -
49
CSVpad
TrustFm
CSVpad is a free, portable CSV (Comma-separated values) editor that supports Unicode and operates without installation. It enables users to manipulate columns and rows and offers the capability to export CSV files into HTML, XML, OpenDocument Spreadsheet (ODS), and Microsoft Excel 8.0 (XLS) formats. It includes undo and redo functions, enhancing editing flexibility. CSVpad is compatible with Windows 8, Windows 7, Windows Vista, Windows XP, and Linux operating systems.Starting Price: Free -
50
Trix
Trix
Compose beautifully formatted text in your web application. Trix is an editor for writing messages, comments, articles, and lists, the simple documents most web apps are made of. It features a sophisticated document model, support for embedded attachments, and outputs terse and consistent HTML. Most WYSIWYG editors are wrappers around HTML’s contenteditable and execCommand APIs, designed by Microsoft to support live editing of web pages in Internet Explorer 5.5, and eventually reverse-engineered and copied by other browsers. Because these APIs were never fully specified or documented, and because WYSIWYG HTML editors are enormous in scope, each browser’s implementation has its own set of bugs and quirks, and JavaScript developers are left to resolve the inconsistencies. Trix sidesteps these inconsistencies by treating contenteditable as an I/O device: when input makes its way to the editor, Trix converts that input into an editing operation on its internal document model.
