MuPDF vs. SignFlow Comparison


MuPDF Artifex Software	SignFlow PDF Technologies	+	+
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		Related Products Nutrient SDK Nutrient 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. 111 Ratings Visit Website RAD PDF 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! 3 Ratings Visit Website Apryse PDF SDK Apryse (formerly PDFTron) powers the future of document technology. We help businesses, developers, and enterprises handle documents with unmatched speed, accuracy, and security. Whether running in secure server environments or delivering seamless web-based experiences, Apryse makes document workflows smarter and easier. With Apryse, you can: Embed powerful document features directly into your apps — from viewing and editing to collaboration and compliance. Run at enterprise scale on secure server infrastructure, ensuring reliability without cloud dependencies. Deliver seamless in-browser document experiences with responsive, accessible, and feature-rich web capabilities. Trusted globally, Apryse empowers organizations to simplify operations, enhance productivity, and create exceptional document experiences. 159 Ratings Visit Website Adobe Acrobat Adobe Acrobat Studio is a leading enterprise document platform built to scale for global teams — delivering AI-powered document intelligence, trusted PDF tools, and on-brand content creation in one secure solution. Core capabilities include PDF creation, editing, conversion, annotation, redaction, e-signatures, and fillable forms. AI Assistant enables conversational document intelligence across PDFs, Word docs, spreadsheets, and more — surfacing summaries, key insights, and source-linked citations for verified, audit-ready answers. PDF Spaces organizes files, collaboration, and context into centralized knowledge hubs. The Generate Presentation feature transforms any document into a polished, branded deck using AI and Adobe Express templates. Enterprise-grade encryption, admin controls, and compliance workflows support secure document sharing and high-volume document processing at scale — across Legal, Finance, HR, Sales, and more. Available on desktop, web, and mobile. 8,334 Ratings Visit Website PDF Guru PDF Guru is an online PDF tool that enables users to convert, edit, merge, and compress PDFs with just a few clicks. Download your document quickly and with ease. Our PDF converter can create PDF files in seconds! We use HTTPS encryption to protect your digital data when you make PDF files on our platform. Redact a PDF, modify text, add new objects, and perform even more actions all in one place. We designed an intuitive interface so that you can use our PDF maker without any hassle. Our PDF maker works online on all platforms, whether it's Windows, Mac OS, Linux, iOS, or Android. If you don’t want others to open, edit, or print your file, you can lock or restrict access to it. 95,969 Ratings Visit Website MobiPDF MobiPDF (formerly PDF Extra) is an intuitive and powerful PDF editor and reader designed for today’s modern user - the cost-efficient alternative to Adobe Acrobat Pro you’ve been looking for. FEATURES OVERVIEW: PDF Viewer and Reader: Switch between page views or use "Read Mode" for distraction-free reading. Create and Edit PDFs: Modify text and images or start with a blank PDF. Convert to Office Formats: Easily turn PDFs into Word, Excel, PowerPoint, and image files. Leverage OCR: Transform scanned documents into searchable PDFs. Organize PDFs: Combine, split, reorder, and compress documents. Markup and Comment: Highlight, annotate, and add bookmarks or stamps. Fill PDFs: Seamlessly fill forms or create ones from scratch. Sign PDFs: Sign your documents anywhere—no ink required! Secure Your Work: Protect files with passwords, digital signatures, and 256-bit encryption. Offline Mode: Full functionality without internet access. Translate PDFs 7,811 Ratings Visit Website PDFCreator PDFCreator automates document output for Windows-based business environments, handling the full creation pipeline from conversion to delivery. It converts print output from any application into PDF, JPG, PNG, or TIF using a virtual printer driver, with no changes to existing workflows required. Businesses use PDFCreator to automate repetitive document tasks: output is captured, formatted, named, secured, and routed based on configurable profiles. Use cases include automated report generation, batch document processing, and compliant document delivery in regulated industries. Key capabilities: encryption, password protection, digital signing, watermarking, MSI deployment, GPO support, and centralized profile management. Compatible with Word, Excel, web browsers, ERP systems, and any Windows print-enabled application. Available in a free edition for individual, non-commercial use and three paid editions for business, terminal server, and enterprise deployments. 557 Ratings Visit Website Foxit Document Workflow APIs Foxit provides a powerful suite of cloud-native APIs that help organizations automate, secure, and modernize document workflows. Built on scalable REST architecture, Foxit APIs enable developers to generate, convert, extract, sign, and display documents directly within applications—eliminating manual processes and accelerating digital operations. The Foxit PDF Services API supports high-volume PDF automation, including conversion, extraction, optimization, and redaction. The Document Generation API creates dynamic PDFs and DOCX files from templates and real-time business data. The Foxit eSign API embeds legally binding eSignature workflows with full audit trails and compliance support. The PDF Embed API delivers customizable in-app PDF viewing, annotations, and secure access controls. Together, Foxit APIs provide a secure, scalable foundation for end-to-end document automation and digital transformation. 8 Ratings Visit Website MobiOffice MobiOffice (formerly OfficeSuite) is an easy-to-use office suite alternative, featuring MobiDocs, MobiSheets, and MobiSlides. It allows you to handle text documents, spreadsheets, and presentations efficiently. MobiOffice supports all major file formats, including Microsoft Office (DOCX, ODT, PPTX), Google formats (Docs, Sheets, Slides), Apple iWork, and more. Key components: - MobiDocs lets you create and edit documents with a rich set of formatting tools. - MobiSheets helps you manage and analyze data effortlessly, visualize trends, and create reports. - MobiSlides allows you to design stunning presentations with customizable templates and multimedia support. MobiDocs, MobiSheets, and MobiSlides are available as standalone apps on Windows. MobiOffice integrates with MobiDrive, MobiSystems' cloud storage solution, for easy document saving and syncing. Start your free 7-day trial today and experience a complete office suite. 15,505 Ratings Visit Website Jotform Trusted by over 25 million users, Jotform is an all-in-one, no-code platform that simplifies data collection, automation, and online sales. Using its drag-and-drop Form Builder, businesses can create customized forms and surveys to collect leads, payments, and e-signatures. With 10,000+ templates and advanced features like conditional logic and 200+ integrations, Jotform streamlines workflows. Jotform's AI-powered Agents provide real-time customer support, guiding users through form submissions, answering questions, and ensuring a smooth experience while reducing manual intervention. These AI agents learn from interactions to improve responses, enhancing efficiency and customer satisfaction. The platform also includes a Store Builder to sell products and services, accept payments through 30+ gateways, and tools like Approvals and Report Builder to automate workflows and generate actionable insights. 8,651 Ratings Visit Website
About 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.	About Simple but mighty! SignFlow makes reading, annotating, editing, e-sign, organizing, filling, secure PDFs effortless! Packed with essential PDF tools, SignFlow is your best PDF files partner. SignFlow allows you to apply a legally-binding digital signature in PDFs, and it provides an effortless PDF solution for you to create, edit and fill out PDF forms. You can edit text in PDFs like word, manage and edit PDF pages, annotate and view your PDFs. Enjoy different reading modes, such as Full-Screen, Single Page, Read Mode, Split View, Multi-tab. You can smoothly scroll pages and switch between day mode, night mode and eye-protection mode. Annotate to remember! You can highlight, underline, strikethrough texts in PDF. There are colors for you to emphasize different information. Enrich your PDFs with standard business stamps like APPROVED, digital stamps, dynamic stamps and custom text/image stamps.
Platforms Supported Windows Supported Mac Supported Linux Supported Cloud Supported On-Premises Not Supported iPhone Supported iPad Supported Android Supported Chromebook Not Supported	Platforms Supported Windows Not Supported Mac Supported Linux Not Supported Cloud Not Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience App developers, software engineers, cloud developers, web developers, document management solution developers	Audience Mac users that need a PDF editor and digital signature tool
Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported	Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported
API Offers API Not Supported	API Offers API Not Supported
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing $749/per platform* *Price for MuPDF App Kits for Android & iOS only. Licensing fees for the MuPDF API are determined on a case-by-case basis. Free Version Not Supported Free Trial Supported	Pricing No information available. Free Version Supported Free Trial Supported
Reviews/Ratings Overall 5.0 / 5 ease 5.0 / 5 features 4.0 / 5 design 5.0 / 5 support 5.0 / 5 Read all reviews	Reviews/Ratings Overall 5.0 / 5 ease 5.0 / 5 features 5.0 / 5 design 5.0 / 5 support 5.0 / 5 Read all reviews
Pros & Cons from Real Users Pros I'm looking for applications that are open, to get my privacy back. Simple to use, efficient and private. And they must be FOSS. Cons Does exactly what it is designed for, not much options.	Pros & Cons from Real Users Pros Light and Fast e-Sign PDF App, easy to use, Able to Read, Markup, Annotate, Digital Sign, Edit PDF Text, Organize / Edit Pages, Redact PDFs, Secure & Share PDFs and Fill & create PDF forms. Cons I can't find anything that I don't like. So excellent!
Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported	Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported
Company Information Artifex Software Founded: 1993 United States artifex.com	Company Information PDF Technologies United States www.pdfreaderpro.com/esign-pdf
Alternatives Foxit PDF SDK Foxit Software	Alternatives UPDF Superace Software Technology Co., Ltd.
jOfficeConvert Qoppa Software	MobiPDF MobiSystems
jPDFPrint Qoppa Software	Master PDF Editor Code Industry Ltd.
Nutrient SDK Nutrient	PDF-XChange Tracker Software Products
KDAN PDF Kdan Mobile Software View All	DeftPDF View All
Categories PDF Supported PDF Annotators Supported PDF APIs Supported PDF Editors Supported PDF Readers Supported PDF Redaction Supported PDF SDK Supported	Categories Digital Signature Supported PDF Annotators Supported PDF Editors Supported
PDF Editors Features Access Controls / Permissions Not Supported Annotations Supported Commenting / Notes Supported Compare Side-by-Side Not Supported Customizable Branding Supported Delete Pages Supported Electronic Signature Supported Forms Management Supported Full Text Search Supported Merge / Append Supported Offline Access Supported Optical Character Recognition (OCR) Not Supported Rearrange Pages Supported Rotate Pages Supported Watermarking Supported Show More Features PDF Features Annotations Supported Convert to PDF Supported Digital Signature Supported Encryption Not Supported Merge / Append Supported PDF Reader Supported Watermarking Supported
Integrations No info available.	Integrations No info available.
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