Best PDF APIs for Freelancers

Whether you have thousands of documents or millions, Pdftools has the products and services to help make processing a breeze. Designed for document-heavy industries, Pdftools’ suite of SDKs and APIs are here to make your document workflows easier, faster, and stress-free. Built on SDKs and APIs, the Pdftools products integrate seamlessly into your existing (or new) systems and applications. Process thousands of documents every minute. Our tools are precision-engineered to be efficient and run at blazing speeds. We’re engineers at heart, so we’re only satisfied with the most reliable, orderly, and usable, and well-documented platforms. Shrink file sizes down, but keep the quality and interactivity. Your documents will always be compliant for long-term archiving. We’ve obsessed over every detail in our products, and documented everything so it’s easy to get started.

Add a fully functional PDF editor to your ASP.NET website in minutes! Compatible with 99% of desktop & mobile browsers, from Internet Explorer 6 through the latest iOS Safari release, RAD PDF simply works. No plugins or other software needed. RAD PDF natively supports the most commonly used PDF features. Beyond a PDF reader, RAD PDF equips web applications with a browser-based PDF editor & PDF annotator. Features not even available in Adobe Acrobat Reader can be used to provide advanced PDF functionality. By enabling PDF form filling, PDF redaction, & PDF signing directly in the web browser, RAD PDF users can utilize PDF features without worrying about having the right platform or software installed! Allow your app to design new PDF forms, protect content, sign PDFs, & more using an intuitive graphical user interface (GUI). Client (JavaScript) and server APIs allow for endless possibilities .NET Core, Framework, & .NET 5+ supported Try editing any PDF with RAD PDF, FREE!

PSPDFKit is the comprehensive solution for all your PDF needs, offering tools that effortlessly integrate and operate PDF functionality across any platform. 1. SDK PRODUCTS Integrate robust PDF functionality into iOS, Android, Windows, web (JavaScript), or any cross-platform technology, providing capabilities such as PDF viewing, markup, collaboration, and more. 2. LIBRARIES Utilize our potent .NET and Java libraries to boost your backend applications with batch processing of redactions and PDF forms, OCR’d scanned text, and editing of PDF documents, directly from your application server. 3. PROCESSOR Our dynamic PDF microservice, Processor, enables swift generation of PDFs from HTML, including HTML forms, along with Office-to-PDF conversions, OCR, redaction, and XFDF merging and exporting. 4. PDF API Use hosted PDF API to generate, convert, and modify PDF documents in your workflows. We manage the development and server administration, letting you focus on what you do best

MindCloud is a software company that builds and maintains custom connections between your software and other platforms so you can eliminate manual data entry and start automating and scaling your business. As technology continues to advance, the modern business owner is using more and more online software tools to manage their business. MindCloud creates a seamless flow from one software platform to the next, saving time and money by connecting your software and automating your business process. We have over 50 prebuilt connectors and can add new connectors within 2-3 weeks of starting a project. What makes us different is we provide a full service that doesn't take extra technical resources on your end. We specialize in Salesforce, Hubspot, Monday.com, QuickBooks, Method:CRM, Zapier, Amazon, Ebay, Groupon, Mercado Libre, HSN, Airtable, Google Sheets and many others. Integrate your business. Simplify your life.

pdfRest API Toolkit was made by developers, for developers. Rapidly integrate PDF workflows with any business application, simply and seamlessly. pdfRest API Toolkit includes all of the PDF processing tools you'll need, to make your job easy. PDF to Word, PDF to Excel, PDF to PowerPoint, Add to PDF, Query PDF, Extract Text, Convert to PDF, PDF to Images, Convert to PDF/A, Convert to PDF/X, Compress PDF, Linearize PDF, Flatten Forms, Flatten Transparencies, Flatten Annotations, Flatten Layers, Merge PDFs, Split PDF, Encrypt PDF, Decrypt PDF, Restrict PDF, Watermark PDF, Import Form Data, Export Form Data, Convert PDF Colors, OCR PDF, API Polling, Upload Files, Zip Files. Get up and running fast with the pdfRest Postman Collection or start from functional sample code in .NET, JavaScript, Python, PHP, and cURL from the pdfRest GitHub repository. Gold-standard processing powered by Adobe® PDF Library™ ensures the highest quality results. Free to get started with no commitment.

Through a collection of UI components and content manipulation APIs, PrizmDoc provides customizable document processing to help developers deliver in-browser document creation, editing, and collaboration functionality, to enhance their software applications. Our functionality integrates on the client and server side smoothly, creating a seamless experience for both you and your users. Render and display dozens of file types, from Adobe PDFs and Microsoft Office files to CAD and DICOM formats, in a browser without the need to download or open native applications. Designed for seamless integration with your application, our zero footprint HTML5 viewer is fully customizable, from quick integrations with minimal configuration to complete programmatic control using our extensive JavaScript API.

PDF Automation Server – PDF Processing Server PDF Automation Server is a modular server product that provides a rich set of PDF processing functions for different environments. Use PAS as an essential tool to streamline your PDF processing, document workflows and web service orchestration in your organization. REST API Module Use REST API calls to easily integrate into your existing document workflows HTML5 PDF Module Convert documents and serve end-users PDF files directly in the browser Workflow Module Automate the receiving, processing & routing of documents with the PAS Workflow Module Robust REST API PDF Automation Server provides a complete set of PDF processing and conversion functions in a robust REST server environment that can easily integrate into your existing document workflows and work with 3rd party integration and orchestration products. HTML PDF Markup Module PDF Automation Server provides a module to enable markup of PDF documents in the browser.

jPDFOptimizer is a Java library to optimize and reduce the size of PDF documents. jPDFOptimizer can remove unnecessary objects in PDF documents, detect and merge duplicate images and fonts, and modify image resolution, compression and color spaces to reduce size. The library provides a powerful, yet simple API to let the calling application fine tune how to optimize documents. jPDFOptimizer is built on Qoppa Software’s extensive PDF technology and requires no third party software or drivers. The library is 100% Java and can run on any operating system for which there is a standard Java implementation, such as Windows, Linux, Unix, Solaris and others. Features: -Modify image resolution, compression and color spaces -Compress images using JPEG, JPEG 2000 and JBIG2 -Compress data streams -Remove unused objects -Remove and merge duplicate images and fonts -Flexible optimization options -Linearize PDFs for fast web view -Support for latest PDF format -Support for JDK 1.6+

Add powerful PDF functionality to all of your software application projects. MuPDF is a highly versatile, customizable PDF SDK that can be used as a PDF renderer, viewer, or library. The tiny footprint and lightning-fast performance make MuPDF a perfect fit for mobile browsers, eBooks, and embedded applications where small size is key. MuPDF supports a variety of interactive features including annotations, form filling, digital signatures, redactions, text search, and progressive loading. The wide range of input and output formats and our full range of platform support deliver a flexible solution to easily and successfully fulfill your project’s unique needs. MuPDF supports PDF, XPS, OpenXPS, EPUB, FictionBook 2 and CBZ. The MuPDF API easily integrates with all of the major platforms including Android, iOS, Linux, macOS, OpenBSD, and Windows. C++ and Python bindings have been added making it easy to use the MuPDF library from these languages.

pdfRest API Toolkit Self-Hosted is available on the AWS Marketplace and can be spun up in just a few clicks. Self-host a production ready server to integrate the PDF processing API Toolkit into your own service or to automate your internal document workflow. Watermark PDF, Add to PDF, Query PDF, Convert to PDF, PDF to Images, Convert PDF Colors, Convert to PDF/A, Convert to PDF/X, Compress PDF, Linearize PDF, Flatten Annotations, Flatten Layers, Flatten Transparencies, Merge PDFs, Split PDF, Encrypt PDF, Decrypt PDF, Restrict PDF, Extract Text, OCR PDF, Upload Files, Zip Files. Maintain full control with a dedicated EC2-based RESTful API with scalable performance to meet your needs. Built with Adobe PDF Library, the same technology that powers Adobe Acrobat, and developed by Datalogics, globally-trusted document processing experts for over 50 years, pdfRest has the gold-standard API Toolkit for high-quality PDF processing.

ComPDFKit offers a top-quality PDF SDK, PDF API, and PDF Server for developers or companies. It allows them to integrate PDF editing, annotating, converting, form filling, digital signing, comparing, measuring, and redacting into any device. ComPDFKit Updates: 1. ComPDFKit API - Sign up and Get 1000 Free Files Processing Monthly. Allow you to edit & convert PDF files, split/merge/insert/rotate/delete/extract PDF pages, and process PDFs with OCR, image processing, form recognizer, layout analysis, trim correction, and stamp inspection. 2. Free Online Tools Work with PDF in ComPDFKit online PDF tools to convert PDF files to/from docx, xlsx, pptx, png, jpg, html, txt, csv, rtf files, etc. 3. Web Demo View, Edit, Annotate, Compare, Sign, Encrypt, Decrypt, watermark PDF files, and Create/fill out PDF forms online for free. 4. Community License Start-ups and Individual developers can get affordable prices from ComPDFKit.

KDAN PDF Reader is a comprehensive PDF document service that leverages AI-driven technology to provide robust PDF capabilities. It enhances user efficiency in creating, managing, and sharing documents, streamlines business workflows, and transforms documents into invaluable digital assets through information exchange. Accessible on both mobile devices and desktops, KDAN PDF Reader is utilized by over 100 million users worldwide. It is widely used by educational institutions, government organizations, and businesses. KDAN PDF Reader provides flexible licensing options through its Licensing Service Center, complemented by comprehensive customer support, tailored to meet the diverse user requirements.

Fast, efficient Document APIs for .NET Standard 2.0 and Java Take total document control with ultra-fast, low-footprint document APIs for enterprise apps. Generate, load, edit, save spreadsheets, PDF, images, and DOCX files. Create large spreadsheets, Word, images, and PDF documents, fast. No dependencies on Excel, Word, or Acrobat Run on Windows, Mac, Linux Deploy to Azure, AWS, and AWS Lambda What’s New in GrapeCity Documents v5: - Full support for .NET 6 - SVG support for GrapeCity Documents for PDF and Imaging - Print PDF documents on Windows with GrapeCity Documents for PDF - UI enhancements for GrapeCity Documents for PDF Viewer - And much more!

Add PDF Features with 2 API Calls Open, Edit, and View PDF. All that's needed is two API calls and a configuration file. Within a day, you can add, open, import, edit and view PDF features in your app. When formats don't match one-to-one, the SDK neutralizes the differences. This includes adding cropping, fills, color management and fonts. The PDF Conversion SDK processes all PDF versions including ISO Standard PDF 2.0. Any PDF from file or print-ready memory is valid input. Conversions flow straight through without intermediate steps or compromised quality. No printer driver. The PDF Conversion SDK runs on Windows, MacOS and Linux. It supports .NET. Example code included. Removes redundant information & compresses data. This ensures great performance for fast web and application viewing. Search for objects and text strings. Convert PDF to your native file format. Change the contents of a PDF page. Extract images from PDF. Retrieve metadata from PDF (layers, geospecification, etc).

Converting a Web Page or Website to PDF for Free Online has never been easier than with PageToPDF @ Aypeye. Our SaaS cloud-hosted PDF converter can quickly and easily convert any webpage into a high-quality PDF file. PageToPDF also offers an Application Programming Interface (API) for bulk PDF conversion. Enter the URL of any webpage and our advanced software will automatically convert it into a professional-looking PDF document. Our PDF generator is perfect for professionals who need to save important web content for reference or sharing with clients. It's also ideal for students who need to save online articles for research or study purposes. There are no monthly fees or contracts. Page To PDF is priced as a Pay As You Go model meaning you only pay for what you use.

PDF library for creating, editing, displaying and printing Acrobat PDF documents. The PDF API is small, fast, easy to use and integrate into your projects, and is completely written in Java. The API has been designed so you don't need to know the PDF specification in order to create PDFs. We hide as much of the gory details as possible but still give you almost complete control over the PDF itself. Where possible we re-use standard Java classes - for example the pages are stored in a java.util.List, which can be manipulated any way you like (so moving pages from one document to another is a breeze). This means an API which is smaller and easier to remember.

PDF Viewer SDK is a visual control to create your own PDF reader in .NET desktop apps. Controls for viewing PDF files in your .NET desktop app, works offline with no Internet connection required, helper function zoom in and zoom out, change page, copy text to the clipboard, search text, night mode for PDF reading (sets the background to black, inverts text). You will find a mixture of very sophisticated technologies in all our tools. It helps them to achieve better performance. We prepared lots of source code samples and documentation helping to quickly start working with our products. You will find a mixture of very sophisticated technologies in all our tools. It helps them to achieve better performance. We keep updating our SDKs, API, and free apps all the time. Also, our team is ready to fix bugs and issues if you find any. We prepared lots of source code samples and documentation helping to quickly start working with our products.

Easily generate PDF documents like invoices, letters, contracts, agreements, certificates and more with our API and web app. Prepare your Word template with tags where you want to have dynamic text. Then provide the data as JSON or in an Excel file. For each data item, a document will be generated from the template by replacing the tags with the actual data. The advanced customization options can help your business generate PDF documents for any use case with minimal effort. After uploading the template, the merge tags are automatically detected based on the template content. Create personalized experiences for your business using our REST API. Generate in bulk thousands of PDF documents like invoices, letters, contracts, agreements, certificates, and more. Simply call the generate document API endpoint with your data and in a few seconds a document will be generated from the specified template, ready for use in your own application or workflow.

WebPDF is an online service that provides an easy an accessible way to alter PDF files. You can do any of the following operations using the web interface, but there's also a developer friendly API that you can integrate into your own application: Merge multiple PDFs Split PDF Compress PDF Extract PDF metadata Flatten PDF forms Extract images from PDF Extract text from PDF Lock & Unlock PDF OCR PDF Change PDF size Change PDF version Watermark PDF Optimize PDF for web Rescale PDF There are many other tools not mentioned here and lots more to be released. You can try WebPDF for free, even without an account.

Automatically generate beautiful PDF documents from templates for Sales (proposals, invoices), Marketing (whitepapers, presentations, …), and more (such as custom reports) with Gendoc. Integrate PDF generation direct in your product, in your CRM, or in your IT stack and create beautiful PDF documents for all of your customers thanks to our powerful HTML to PDF conversion API. Create templates,

Makes it easy for programmers to fill out and generate PDFs. We provide a visual PDF template editor and PDF filling API. Fill out PDFs with an API request. DocSpring makes it easy for developers to fill out PDF forms. Upload a PDF template, we’ll automatically import fields if your PDF has a fillable form. Set up your fields, use our visual template editor to drag-and-drop your fields. Send an API request, send a POST request to generate a PDF with a few lines of code. Drag-and-drop your fields in DocSpring's visual PDF template editor, then set your fields types, conditions, and how you want to display the data. Ensure the data you send in your API requests matches the fields in your PDF templates. Never accidentally delete a field or send the wrong data. We support a wide range of field types, so you can fill out and sign any type of form. Fields include barcode, QR code, image, signature, and many more. We can generate web-based forms from the fields in your PDF template.

Mindee is the first fully horizontal and developer centric document understanding platform. We help developers and product teams worldwide build the most intuitive and efficient user experiences when it comes to document processing. You will be able to : - Build magical UX using our 1-second-response-time synchronous API - Differenciate your product leveraging the latest computer vision deep learning models - Scale everywhere. We are fully language agnostic and do not depend on templates - Save your users time and hassle by freeing them from manual data entry - Easily integrate in no time within your roadmap thanks to our client libraries in all main languages and our clean documentation -Sleep tight knowing everything happens on a scalable and secure infrastructure, fully GDPR compliant -Extend the fun leveraging everything from our open-source software toolbox -Trust the bill. No setup fee, no platform fee, no maintenance fee.

Our high-performance libraries add robust PDF functionality to enterprise, mobile, and cloud applications across all platforms: Web, Windows, Android, iOS, Mac, UWP and Linux, using the most popular developer languages and environments. Build on a modern tech stack that integrates tightly with the platform you’re working on. We continuously improve our products and they gain new features every month. We grow with you as your requirements change and your project evolves. Our core API is designed from the ground up to deliver a seamless development experience across all platforms, without requiring deep PDF knowledge. Foxit is known for our management of edge cases, and for working with 100% of PDF files across all standards. With only one SDK to work with, you dramatically reduce your exposure to third parties. We provide sample, projects, demos, API docs and more for every single feature in the PDF SDK to get you up to speed quickly. You will receive support by real developers.

GdPicture.NET PDF SDK is a very intuitive API that helps you build fully-customizable applications for any software development. Add a customizable and fully-featured viewer to your applications. This viewer for all platforms displays complex files instantly, with a crystal clear rendering and full Unicode support. Support for all versions of PDF and PDF/A and 100+ document, office, and image formats. Add thumbnails, annotations, signature, redaction, encryption, text search, and much more! Create structured, secure, and compliant PDF files (all versions including PDF 2.0) with the GdPicture.NET PDF SDK. Go a step further and build accessible PDFs with PDF/UA generation features. Make your PDFs ready for long-term archiving with PDF/A compliance or generate PDF files for the Web with linearization. You can also add layers, transparency, images and other contents, and more!

There are several popular free HTML-to-PDF libraries including wkhtmltopdf, PhantomJS, and Chrome Headless / Puppeteer. These tools use the Webkit or Chromium rendering engines, which are designed to display continuously scrolling webpages. In contrast, DocRaptor was built for generating multi-page documents. This fundamental difference has a tremendous impact on PDF functionality such as page breaks, headers and footers, and variable page sizes. Our conversion engine provides layout and styling options (including CSS Paged Media support) that the open-source PDF engines simply cannot match. Additionally, as a cloud-based API, we provide professional support, instant scalability, and guaranteed reliability without the costs of long-term maintenance for these libraries and their infrastructure.

Use our HTML to PDF API to create PDFs from URLs or HTML. Let your visitors save web pages as PDFs with a single click! Convert entire websites to PDF easily! Join thousands of customers making high-quality PDFs since 2008! Quickly and easily convert any URL or raw HTML into a high-quality PDF. You can use our REST API in any programming language and it comes packed with many options for different layouts, headers, footers, watermarking encryption, and much more. Put a save as PDF link or button on any of your web pages and let your visitors download these pages as PDF with a single click. You control many layout options and set a custom header and/or footer. Save your entire website as a PDF for copyright or other purposes. You just enter the URL and we'll take all the pages of the website and pack them into a single PDF. You grab a coffee and wait until we finish because we'll email you when it's done!

Create and manipulate PDF documents. Split, append, stamp, encrypt, extract, fill, and more. PDFKit.NET is a 100% managed (verifiable) .NET class library for creating and manipulating PDF documents. It consists of just a single assembly that can be xcopy-deployed. It has no dependencies other than the .NET framework. Central to PDFKit.NET is a consistent and highly intuitive object model consisting of classes like document, page collection, page, canvas, shape, bookmark, annotation, field, etc. The focus of the development team is always to ease the task of integrating our class library into a larger application. Fill text fields, checkboxes, radio buttons, etc., and save the form either editable or flattened with the PDFKit.NET 5.0. With PDFKit.NET 5.0 you can populate and consume dynamic XFA documents with the new XFA processor API. Extract all graphics on a page as a collection of shapes with PDFKit 5.0. Shapes can be text, images, and curves.

PDFMonkey is the solution to handle your PDF generation needs. Web technologies, a simple REST API, it's never been so easy to make beautiful documents. Stop wasting time! Save development time, no more PDF building code to write, no more configuration, no dependency hell. We handle all the complexity for you.

Installing and maintaining a PDF backend is tedious and time-consuming. Paperplane adds PDF functionality to your app fast, so you can move on to what matters. If you have batch workloads, Paperplane will create up to 20 PDFs in parallel. Allowing you more time to improve your workflow and pump out more PDFs. The API is asynchronous too, meaning you can fire and forget your PDF jobs rather than keeping long-running processes around until everything finishes. Webhooks take care of notifying you of any errors that may have occurred during the PDF generation process. Are you looking for a solution to generate PDFs from your single-page app? If your site works in Chrome, it’ll work with Paperplane. Or choose to wait for an element to appear on the page before generating the PDF, so you can be sure all your content has loaded.

The DynamicDocs API is JSON to PDF API based on LaTeX, which provides an effective way to generate PDF documents in bulk with the ability to include tables, charts, graphics and logic in the templates. DynamicDocs API offers users to write their own templates or use existing JSON to PDF templates for which users do not need any prior knowledge of LaTeX. The PDFs produced by the API are high-quality, dynamic and web optimized.