Best PDF SDK for Linux of 2025

Pdftools can help you process thousands of documents, or even millions. The suite of SDKs from Pdftools is designed for industries that are document-intensive. They will make your document workflows faster, easier, and less stressful. The Pdftools products are built on SDKs or APIs. They integrate seamlessly with your existing systems and applications. Process thousands of documents per minute. Our tools are designed to be fast and efficient. We are engineers at heart and only accept the most reliable, usable and well documented platforms. File sizes can be reduced, but quality and interactivity are not compromised. Your documents will be compliant with long-term archiving. We have documented every detail of our products so that you can easily get started.

Apryse, formerly PDFTron, is reimagining the world of documents. Bring accurate PDF viewing, annotating, editing, creation, and generation to any web, mobile, desktop or server framework or application. Apryse technology supports all major platforms and dozens of unique file types, including support for PDF, MS Office, and CAD formats. Own the full document and data lifecycle by deploying on your own infrastructure without worrying about third-party server dependencies.

Nutrient provides an extensive solution for all your PDF requirements, delivering tools that seamlessly operate PDF features across any platform. 1. SDK: Incorporate advanced PDF functionality into iOS, Android, Windows, web, or any cross-platform technology, supplying abilities like PDF viewing, annotation, collaboration, and beyond. 2. Libraries: Employ our powerful .NET and Java libraries to enhance your backend applications with batch processing of redactions and PDF forms, OCR'd scanned text, and PDF document editing, all directly from your application server. 3. Processor: Our agile PDF microservice, Processor, enables rapid generation of PDFs from HTML, including HTML forms, as well as Office-to-PDF conversions, OCR, redaction, and XFDF combining and exporting. 4. PDF API: Take advantage of our hosted PDF API to generate, convert, and alter PDF documents in your workflows. We handle the development and server management, freeing you up to concentrate on your business. At Nutrient, we're not just a tool; we're a committed ally in your success. Gain direct contact with our engineers for expert guidance, utilize comprehensive examples to simplify integration, and make the most of our top-tier documentation.

Global OEMs, SaaS and enterprise end-users rely on Adobe PDF Library to automate the creation, editing and management of PDFs. An Adobe partner, our SDK uses the same source code as Acrobat for stability, reliability and quality results. Languages: .NET, .NET Framework, Java and C/C++ Platforms: Windows, Linux & MacOS Package managers: NuGet & Maven Capabilities include but are not limited to: -Annotations -Content creation -Content modification -Color management -Extraction - text, images, forms -Compression/optimize -Conversion - PDF/A, PDF/X, EPS, PostScript, XPS, ZUGFeRD, color -Display, Printing -Extract text, images & other content -Forms - Import, export, flatten static & dynamic XFA forms, AcroForms -Images - extract, import/export, thumbnails, render/rasterize pages, separations -Optimization - size, content, images, etc. -OCR - add text to document, add text to image -PDF to Office Documents (Word, Excel, PPT) -Security - Viewer settings, redactions, password, encrypt/decryption, watermark Pricing options for OEMs, SaaS & end-users are flexible and based on usage. Shorten development times & get to market faster with Adobe PDF Library. Free trial - download today.

PrizmDoc helps web developers embed secure secure and responsive HTML5 document viewing, document editing, and native spreadsheet viewing and editing within your own web application or system solution. Due to its extreme flexibility, PrizmDoc can be supported on virtually any platform, and in any programming language that supports REST API calls. Key features can be easily turned on or off depending on your application’s needs, along with user-based permissions to protect proprietary logic, and you can customize the UI layout or style. PrizmDoc can be self-hosted on your own infrastructure or accessed through a fully managed backend on Accusoft’s public or private cloud. And with best-in-class support, Accusoft’s Enablement Services to ensure a seamless PrizmDoc implementation.

PDF Automation Server – PDF Processing Server PDF Automation Server provides a wide range of PDF processing functions to suit different environments. PAS is an essential tool for streamlining your PDF processing, document workflows, and web service orchestration. REST API Module Use RESTAPI calls to integrate into your existing workflows HTML5 PDF Module Convert and serve PDF files directly in your browser Workflow Module Robust, RESTAPI PDF Automation Server provides a complete suite of PDF processing and conversion capabilities in a robust RESTserver environment. It can integrate into existing document workflows and integrate with third-party integration and orchestration tools. HTML PDF Markup Module PDF Automation Server allows you to markup PDF documents in your browser.

Add robust PDF features to your apps with the easy-to-integrate MuPDF SDK/ The small yet fast viewer supports a number of document formats including PDF, XPS, OpenXPS, CBZ, and ePUB. The renderer is designed for high-fidelity anti-aliased graphics and renders text with metrics and spacing accurate to within fractions of a pixel. The PDF library includes interactive features such as annotations, form filling, digital signatures, redactions, and search. The command-line tools provide users myriad customization options for rendering and converting documents, and manipulating PDF files. MuPDF supports document conversion to other formats including HTML, SVG, and CBZ. In addition to the C library, there's a Java library using JNI that works for both Oracle's Java and Android. In addition to the Java API, C++ and Python bindings have been developed. MuPDF supports most of the major coding environments and operating systems. It is highly flexible and optimized for each unique platform. MuPDF API has been used as the PDF engine in a variety of deployments ranging from Android and iOS mobile applications, SaaS and cloud solutions, document management programs, and embedded products, to name a few.

ComPDFKit PDF SDK is a product of ComPDF, offers a top-quality PDF SDK and PDF API for companies, organizations, small businesses, and developers. It enables you to integrate PDF document annotation, editor, conversion, form filling, and signing into your applications or products, saving you time and expenses. ComPDFKit is compatible with Windows, Web, Android, iOS, Mac, Linux, and other cross-platform frameworks such as React Native, Flutter, and Electron with just a few lines of code. Product Details of ComPDF: - ComPDFKit PDF SDK Our PDF SDK renders PDFs at the fastest speed and provides rich and reliable functionalities including viewing, markup, content & page editing, digital & electronic signing, form filling, OCR, comparing, measuring, etc., satisfying the needs of processing PDFs in different scenarios. - ComPDFKit Conversion SDK Support Convert PDF to or from Word, Excel, PPT, TXT, RTF, PNG, JPG, HTML, JSON, markdown, searchable PDF, etc. - ComIDP ComIDP is the intelligent document processing, allow companies to integrate for unstructured data extracting, knowledge base building, AI Q&A, image pre-processing, PDF parsing, PDF data extraction, PDF table extraction, etc.

Fast and efficient Document APIs for.NET Standard2.0 and Java Get total document control with ultrafast, low-footprint document APIs designed for enterprise apps. Create, load, edit, and save spreadsheets, images, PDF, and DOCX files. Quickly create large spreadsheets, Word, images, PDF documents, and large spreadsheets. Excel, Word, and Acrobat are independent. Run on Windows, Mac and Linux. Deploy to Azure or 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, View PDF. Two API calls and a configuration file are all you need. In less than a day, your app can import, view, edit, and open PDF features. The SDK can be used to neutralize differences between formats. This includes cropping, fills, color management, and fonts. The PDF Conversion SDK can convert all PDF versions, including ISO Standard PDF 2.0. Any PDF file or print-ready memory can be used as input. Conversions are seamless without any intermediate steps or compromises in quality. No printer driver. The PDF Conversion SDK works on Windows, MacOS, and Linux. It supports.NET. Included is an example code. Removes redundant information & compresses data. This provides great performance for web and application browsing.

FormVu provides HTML/JavaScript/CSS content for Chrome, Edge, Firefox, and Safari on Linux/MacOS/Windows and also mobile/tablet devices running Android or iOS. The PDF forms will appear in the Browser as they appeared in Acrobat with the correct layout, formatting, and styles. Embedded fonts are converted. FormVu supports both AcroForms and XFA Forms. All forms are converted into HTML5/CSS and JavaScript preserving style and layout. JavaScript is converted to run inside the browser, preserving validation and calculations in the forms. XFA FormCalc is also supported. FormVu provides an easy-to-use converter. It does not require a dedicated server or infrastructure and generates clean, standalone HTML content. FormVu is designed to integrate easily into the existing PDF workflow. Data can be edited, updated, and resaved back into the original PDF document or sent back to the server.

JPedal makes it easy to work with PDF files in Java. All common tasks can be solved by simply adding a few lines code to your application. IDRsolutions has been actively developing the software for more than 20 years. It can work with any problem PDF files. JPedal supports all PDF 2.0 file specifications, including Encyption and Blending, Forms and Annotations, PostScript and OpenType fonts. JPedal comes with lots of sample code and APIs that can be easily integrated into your code. Adding a feature to your code requires only 2-3 lines of code. JPedal uses its own font engine and custom images libraries to produce high quality images and provide maximum Java performance. JPedal is actively being developed with nightly builds as well as monthly releases. The same people who code the code also provide support.

pdfToolbox provides robust and flexible PDF processing capabilities that are seamlessly integrable, allowing for both quick visual inspections and fully automated handling of large volumes of files. Leveraging reliable Adobe technology, pdfToolbox effectively addresses and resolves even the most intricate issues, facilitates color management, supports imposition, and allows for conversion to and from PDF formats. This technology is widely utilized by a diverse range of users including small businesses, major publishing houses, and print service providers, along with OEMs who incorporate it into their own offerings. The Desktop version of pdfToolbox serves as a manual PDF preflight and correction tool, available either as a plug-in for Adobe Acrobat Pro or as a standalone application. Designed with prepress operators in mind, pdfToolbox provides an intuitive interface for all pre-press tasks, enabling users to access any necessary function in just three straightforward steps. Furthermore, users can personalize the setup to ensure that their most frequently used actions are always readily accessible. This level of customization enhances productivity and streamlines the workflow for professionals in the print industry.

Previously known as iText, we are now a part of Apryse. With optimized technology and a comprehensive suite of tools, Apryse simplifies even the most complex projects, taking you further, faster. Committed to feature-rich products that are made better, Apryse offers superior document solutions across all applications and enterprise workflows. With iText by Apryse, our diverse customer base includes more than half of the Fortune 500 companies, as well as many government agencies and small companies alike. Our software has grown out of the open source space, and we still believe in the value of open source software. Our core library iText 7 Community and earlier versions iText 5, and iText 2 are all available under the AGPL license. We do offer commercial licensing for customers that do not wish to comply with AGPL and would like to keep their source code private. You may have used iText when you: - received a boarding pass from an airline, - received a PDF invoice or receipt, - received a PDF document after filling in a form, - and many more. For more information, visit the Apryse website.

PDFlib GmbH dedicates itself entirely to advancing PDF technology, with customers utilizing its products since 1997. In 2006, the company became a founding member of the PDF Association (previously known as PDF/A Competence Center). The organization keeps a close eye on industry developments and market trends, including adherence to ISO standards for PDF. PDFlib GmbH's offerings are available globally, with significant market presence in Europe, North America, and Japan. As a well-known developer component, PDFlib specializes in generating and manipulating PDF documents effectively. Its primary objectives include the dynamic generation of PDFs on web servers, as well as in various server, desktop, or mobile applications. By using PDFlib, users can dynamically produce PDF documents sourced from databases, akin to creating dynamic web pages. Since its inception in 1997, PDFlib has demonstrated its versatility across a broad spectrum of use cases and development ecosystems. Application developers leverage PDFlib to generate PDF outputs that incorporate text, images, graphics, and interactive features, making it an essential tool in modern document creation. With its robust capabilities, PDFlib continues to be a favorite among programmers seeking effective PDF solutions.

Our libraries are high-performance and add robust PDF functionality to enterprise, mobile and cloud applications across all platforms. They use the most popular languages and environments. A modern tech stack is essential for integrating with the platform you are working on. Our products are constantly improved and receive new features each month. As your project evolves and your requirements change, we will grow with you. You won’t require high level PDF knowledge as our core API is designed to deliver a seamless developer experience across all 7 of our platforms: Web, Windows, Android, iOS, Mac, UWP and Linux. The developers at Foxit are known for successfully managing edge cases and work with 100% of PDF files across every standard. When you only have to work with one SDK, you decrease your exposure to third parties. Foxit will provide support by real developers, as well as, sample projects, demos, API docs and more for every SDK feature.

Vanilla.PDF is a PDF toolkit that's easy to use and has the most power. The framework supports all PDF formats, PAdES electronic signings, including PKCS#11 interface. A well-documented interface with fully-featured examples assures that the results meet the highest market standards. For any questions, please don't hesitate to contact us!

The Apache PDFBox® library serves as a versatile open-source tool in Java for managing PDF documents. This project facilitates the creation of new PDFs, as well as the modification of existing ones and the extraction of content from those documents. Additionally, Apache PDFBox features a variety of command-line utilities that enhance its functionality. Released under the Apache License v2.0, this library allows users to extract Unicode text from PDFs, split a single PDF into multiple files, or combine several PDFs into one. It also enables the extraction of data from forms or the filling of PDF forms, along with validating PDF files according to the PDF/A-1b standard. Users can print PDFs via the standard Java printing API, create new PDFs from scratch that include embedded fonts and images, and save PDFs as image files like PNG or JPEG. Furthermore, the library offers the capability to digitally sign PDF documents, enhancing their authenticity and security. It's important to note that users should review the export control information concerning the encryption features provided by Apache PDFBox for compliance with regulations.

Enhance your projects by incorporating powerful PDF editing, parsing, and rendering capabilities using a sophisticated PDF library SDK. This versatile multi-platform shared library (available as dll, so, and dylib) features a C-compatible interface that supports various programming languages, including C#.Net, Python, Java 8, and C++ 11. With APIs designed for Linux, Windows, and Mac, this SDK includes numerous interface functions that allow for the transformation and creation of new PDF content, offering extensive options and flexibility tailored to the unique requirements of your project. It efficiently leverages multi-core CPUs for stream decoding and content rendering, adhering closely to the guidelines of the portable document format specification. Users can also apply electronic signatures, with the choice of including or excluding a cryptographic security layer. Additionally, the SDK provides robust PDF encryption and decryption capabilities, featuring a password-based encryption handler, along with comprehensive document structure manipulation tools for creating, deleting, moving, inserting, extracting, resizing, and rotating pages. This ensures that all aspects of PDF management are covered effectively, making it an invaluable resource for developers.

With a minimal amount of code, LEADTOOLS libraries offer developers a robust PDF API that facilitates dependable and multi-threaded PDF operations, eliminating the necessity for external dependencies such as Acrobat. The extensive PDF controls enable users to read, write, convert, and display PDF files, integrating seamlessly with cutting-edge OCR, ICR, OMR, forms recognition, virtual printing, and scanning APIs to craft comprehensive solutions that leverage the PDF format effectively. Users can effortlessly load and view any PDF document through the document viewer API framework. Rigorously tested against countless PDF files, the LEADTOOLS PDF SDK libraries ensure exceptional viewing precision and performance that surpasses many leading PDF reading tools on the market. By addressing common discrepancies and issues associated with different PDF file versions, LEADTOOLS allows developers to work with confidence, reducing their testing time significantly and enabling the swift creation of top-tier PDF applications. Furthermore, this efficiency not only streamlines the development process but also enhances overall user satisfaction with the final products.

Integrate a PDF reader into your Java application or web site. jPDFViewer, a Java component that is self-contained, can be deployed in a Java app or a Web application (in a Java web page as an applet or a Java webstart program). It is written in Java and can run on Windows, Mac and Linux. jPDFViewer allows you to load documents from files on a network or local drive, from a URL, and from Java input streams. This is for documents that have been generated runtime, or from other sources such as a database. Main Features Any platform that supports Java can read and display PDF files Print PDF files Fill interactive PDF forms All markup annotations available Digital signatures are validated and displayed Text search and selection Advanced tools: zoom and loupe, snap, pan, zoom and zoom Navigation is easy with multiple views: bookmarks, thumbnails, annotations... User interface and toolbar customizable All image types supported

jPDFProcess, a Java library that creates and manipulates PDF documents, can be used to send customized PDF content to your users as well as to process incoming PDF content. The library is easy to integrate into your PDF document workflow. It has a simple interface for working with PDF documents. jPDFProcess offers many of the same functionality as our other libraries. It can print, set permissions and security, create and assemble documents, digital signature, work with form fields, convert to images, extract text, and more. The library can handle PDF documents from URLs, files, and input streams. It can also save documents to files or output streams. This allows it to serve documents directly from a J2EE app to a client browser, without the need for temporary files. jPDFProcess uses Qoppa's proprietary pdf technology, so it doesn't require any external PDF software.

You can convert Microsoft Word documents and Excel spreadsheets directly from Java applications without any user intervention. jOfficeConvert is a Java library which can read and convert MS Word and Excel documents natively. It can also convert to images or print the documents automatically. The library is 100% Java and can be used on any platform that supports Java (Windows, Linux, Unix, Solaris Sparks, Solaris Intel. HP-UX). The library doesn't use any third-party software or native calls. It can be run in a server environment, or integrated into a desktop program. Main Features Convert Word documents to PDF (.doc,.docx) Convert Excel documents to PDF (when combined with JPDFWeb) Merge multiple Word and Excel files into one PDF document. Set permissions and passwords for the resulting PDF documents.

jPDFOptimizer, a Java library that optimizes and reduces the size of PDF documents, is available. jPDFOptimizer removes unnecessary objects from PDF documents, detects and merges duplicate images and fonts, as well as altering image resolution, compression, and color spaces to reduce their size. The library offers a simple, but powerful API that allows the calling application to fine tune how to optimize documents. jPDFOptimizer uses Qoppa Software's extensive PDF technology. It does not require any third-party software or drivers. The library is 100% Java, and can be used on any operating system that has a standard Java implementation such as Windows, Linux and Solaris. Features -Modify image resolution, color space and compression -Compress images with JPEG 2000, JPEG 2000, and JBIG2 -Compress data streams -Remove any unused items -Remove duplicate images and fonts and merge them -Flexible optimization options Linearize PDFs for quick web view Support for the latest PDF format Support for JDK 1.6+

jPDFEditor is for developers and integrators. Qoppa Software offers PDF Studio, a desktop PDF editor for Mac, Windows, and Linux that uses the same solid PDF technology. jPDFEditor allows you to load documents from files on a network or local drive, from a URL, and from Java input streams. This is useful for documents that are generated in runtime or from other sources such as a database. The library can save documents after editing them. Features -Display PDF files -Print PDF files Convert text and image files (gif. png. jpg. tiff) to PDF easily Fill out and save interactive PDF forms -Markup PDFs (all PDF annotations & text markups supported). Digitally sign PDF files -Content editing -Redaction Optional OCR module -Optional Comparison Module -Access the powerful PDF manipulation API of jPDFProcess -Text search, selection and copy -Easy navigation using thumbnail, bookmark, annotation, and signature views Advanced tools: zoom, loupe and snapshot.