List of the Top 25 PDF Software for Linux in 2026

Apryse (formerly PDFTron) transforms how organizations manage documents. Built for both server and web applications, Apryse empowers businesses and developers to securely handle the entire document lifecycle — from creation and collaboration to compliance and archiving — without relying on third‑party services. With Apryse, you can: Run at enterprise scale on your own infrastructure, ensuring privacy, compliance, and maximum control. Deliver modern, in‑browser document experiences with fast, accessible viewing, editing, and collaboration tools. Integrate seamlessly across platforms, supporting PDF, Microsoft Office, CAD, and many other file types. Streamline workflows and reduce costs with technology trusted by leading enterprises worldwide. Apryse makes document workflows smarter, faster, and more secure — so teams can focus less on manual processes and more on meaningful work.

Nutrient offers a comprehensive suite of solutions tailored to meet all your PDF needs, providing tools that effortlessly handle PDF functionalities on any platform. 1. SDK: Integrate sophisticated PDF capabilities into iOS, Android, Windows, the web, or any cross-platform technology, offering features such as PDF viewing, annotation, collaboration, and much more. 2. Libraries: Use our robust .NET and Java libraries to empower your backend systems with capabilities for batch processing of redactions and PDF forms, OCR for scanned text, and editing of PDF documents, all directly from your application server. 3. Processor: Our nimble PDF microservice, Processor, facilitates the quick creation of PDFs from HTML, including HTML forms, alongside conversions from Office to PDF, OCR processing, redaction, and the combination and exporting of XFDF. 4. PDF API: Leverage our hosted PDF API to create, convert, and modify PDF documents within your workflows. We manage the development and server operations, allowing you to focus solely on growing your business. At Nutrient, we see ourselves not merely as a tool but as a dedicated partner in your journey to success. You can easily reach out to our engineers for specialized support, access thorough examples to aid in integration, and utilize our premium documentation to maximize your experience. Additionally, we are committed to continuous improvement and innovation, ensuring our solutions evolve with your needs.

Enhance your website's capabilities with RAD PDF, an installation-free solution for PDF editing, form filling, redaction, signing, viewing, and much more! Designed as a user-friendly library/WebControl that works seamlessly with .NET 3.5+, .NET Core, and .NET 5+, RAD PDF is compatible with various ASP.NET frameworks such as MVC, Razor, Blazor, and WebForms. This powerful tool supports 99% of internet browsers across platforms including Linux, Mac OS X, Microsoft Windows, and mobile devices, eliminating the need for plugins or Adobe Reader. More than just a PDF to HTML converter, RAD PDF fully supports essential PDF features such as annotations, bookmarks, form fields, and page labels. With sophisticated PDF options, users can selectively enable or disable features not accessible through Adobe Acrobat Reader, such as restricting PDF download while still permitting online viewing. Moreover, RAD PDF allows users to fill out and save PDF form fields directly through their web browsers, streamlining the process without requiring any software installation. By integrating directly with ASP.NET, RAD PDF empowers your web application to collect input data, create tailored workflows, and offer an intuitive graphical user interface for virtually any online PDF interaction you can envision! Experience the convenience of RAD PDF and elevate your website's PDF handling capabilities today!

Collaborating with Salesforce, Titan Forms and Apps revolutionize the industry by making the leading CRM globally available and user-friendly for everyone. With just a click and absolutely no coding involved, you can harness the power, speed, and flexibility of Salesforce Forms to streamline your business operations. Reduce your time to market, eliminate the need for coding, and address any scenario using a unified platform. Our top-tier forms and applications for Salesforce are designed to serve various industries, and we are dedicated to crafting tailored solutions for challenging issues. Easily create stunning web portals, sign documents, generate reports, distribute surveys, automate contracts, and fill out Salesforce forms, all in a matter of clicks—without requiring any coding expertise. Plus, our innovative AI assistant ensures you can expedite the process while minimizing mistakes. We proudly stand as the sole product available that allows you to transmit and retrieve data from Salesforce in real-time, all without incurring additional development costs. At Titan, our customers and partners drive our innovations. If you have a suggestion for a new feature, feel free to submit it through our Titan X Lab, and we will evaluate it for our development roadmap! So, what’s holding you back? Take the next step and schedule a demo today to see how we can transform your processes!

Experience seamless creation, review, and editing of PDF documents with this comprehensive PDF editor designed for Windows, Mac, and Linux platforms. PDF Studio offers an intuitive interface and serves as a reliable alternative to popular PDF editors like Adobe® Acrobat®, providing all essential PDF functionalities at a more budget-friendly price while ensuring complete adherence to PDF standards. Among its standard features, PDF Studio allows users to create PDFs, convert scanned documents to PDF format, and annotate or markup files with ease. Additionally, it includes precise measuring tools, the ability to fill out and save PDF forms, and options to secure documents through password protection. Users can manipulate pages by appending or deleting them, as well as create custom watermarks, headers, and footers. Advanced tools like loupe, pan & zoom, and rulers enhance the user experience, while integration with document storage solutions and DocuSign adds further convenience. Notably, it also supports PDF 2.0 standards, ensuring compatibility with the latest PDF advancements. For those seeking even more functionality, PDF Studio Pro encompasses all standard features with the addition of advanced tools. Users gain access to an interactive form designer, optical character recognition (OCR) for text recognition, and the ability to edit content, including text and images. Furthermore, the Pro version allows for redaction and sanitization of sensitive information, comparing multiple PDFs, optimizing document size, and digitally signing PDFs. Enhanced imposition features round out this powerful PDF editing suite, making it suitable for professionals in need of robust document management solutions.

Pdftools offers robust solutions for handling vast numbers of documents, potentially reaching into the millions. Tailored for sectors that heavily rely on documentation, the Pdftools suite of SDKs aims to enhance the speed, simplicity, and overall ease of your document workflows, reducing stress along the way. Built on reliable SDKs and APIs, Pdftools products integrate effortlessly into your current systems and applications. With the capacity to process thousands of documents each minute, our tools prioritize speed and efficiency. As engineers committed to excellence, we ensure that only the most trustworthy, usable, and well-documented platforms are utilized. While file sizes can be minimized, we guarantee that quality and interactivity remain intact. Additionally, our solutions help ensure that your documents adhere to long-term archiving standards. Comprehensive documentation accompanies every aspect of our products, allowing for a seamless onboarding experience. With Pdftools, you can transform your document management approach and unlock new efficiencies.

PrizmDoc empowers web developers to incorporate secure and dynamic HTML5 document viewing and editing functionalities, along with native spreadsheet capabilities, directly into their web applications or system solutions. Its remarkable adaptability ensures support across almost any platform and programming language that can perform REST API calls. Users can easily activate or deactivate key features based on the specific requirements of their applications, and implement user-specific permissions to safeguard proprietary information. Additionally, customization of the UI layout and style is available to enhance user experience. PrizmDoc can either be self-hosted within your own infrastructure or utilized via a fully managed backend provided by Accusoft’s public or private cloud services. Furthermore, Accusoft offers exceptional support through its Enablement Services, facilitating a smooth implementation of PrizmDoc for all users. This comprehensive flexibility and support make PrizmDoc an ideal choice for modern web development needs.

The hyper Content & Digital Asset Management Server empowers organizations to fully manage their digital assets while streamlining processes and lowering expenses. By seamlessly integrating rich content into the workflows of internal and external teams, it enhances accessibility. Collaborative approval mechanisms ensure that process control is maintained throughout. Additionally, utilizing Social Media Networks facilitates the sharing of this content effectively. For optimal promotion and success of rich content, it is beneficial to develop tailored Brand Portals that resonate with your audience. This approach not only enhances brand visibility but also fosters stronger connections with stakeholders.

PDF Studio Viewer is a reliable and user-friendly document reader that works across multiple platforms. It allows users to annotate and complete interactive forms seamlessly. For those seeking more advanced features, PDF Studio Standard and PDF Studio Pro offer enhanced capabilities. Key features of PDF Studio Viewer include: - High-fidelity PDF display - Annotation and markup tools for PDFs - Functionality to fill and save forms - Support for rendering digital signatures and layers - An intuitive user interface - Enhanced printing and searching options - Options for document storage integration - Integration with DocuSign© With such a comprehensive set of tools, PDF Studio Viewer is an excellent choice for both casual users and professionals alike.

jPDFPreflight is a Java-based library designed to ensure that PDF documents adhere to various compliance standards, such as PDF/UA and PDF/A, while also providing the capability to convert these documents into compliant formats. This versatile tool can verify compliance with a range of profiles, including PDF/UA, PDF/A-1b, PDF/A-2b, PDF/A-2u, PDF/A-3b, and various PDF/X standards like PDF/X-1a:2001, PDF/X-1a:2003, PDF/X-3:2002, and PDF/X-3:2003 (which includes ZUGFeRD). Additionally, jPDFPreflight facilitates the conversion of PDFs to meet specific standards, such as transforming documents into PDF/A-1b, PDF/A-2b, and PDF/A-3b formats. Among its many features, the library provides a comprehensive report outlining all compliance issues found within the document, allowing users to identify and address discrepancies easily. Furthermore, it enables users to annotate documents, drawing attention to areas that fail to meet compliance standards. Notably, jPDFPreflight operates seamlessly across multiple operating systems, including Windows, Linux, Unix, and Mac OS X, thanks to its complete Java foundation, making it a powerful tool for PDF management. Overall, it stands out as an essential resource for anyone needing to manage PDF compliance effectively.

Global OEMs, SaaS providers, and enterprise users utilize the Adobe PDF Library to streamline the processes of creating, editing, and managing PDF documents. As an authorized Adobe partner, our SDK is built using the same source code as Acrobat, ensuring top-notch stability, reliability, and quality. Supported programming languages include .NET, .NET Framework, Java, and C/C++, and it is compatible with platforms such as Windows, Linux, and MacOS, with package management facilitated through NuGet and Maven. The library boasts a wide range of capabilities, encompassing annotations, content creation and modification, color management, and various extraction options for text, images, and forms. It also offers features for compression, optimization, and conversion to formats like PDF/A, PDF/X, EPS, PostScript, XPS, and ZUGFeRD, along with robust display and printing options. Moreover, it allows for the import, export, and flattening of both static and dynamic XFA forms, along with AcroForms, and supports a variety of image operations including extraction, rendering, and thumbnail creation. The optimization functionality enhances file size and content, while OCR capabilities enable text addition to documents and images. Additionally, users can convert PDFs to Office formats such as Word, Excel, and PowerPoint, and implement security measures including viewer settings, redactions, password protection, encryption/decryption, and watermarking. Pricing structures are adaptable for OEMs, SaaS solutions, and end-users, based on their specific usage needs. Accelerate your development process and reach the market more swiftly with the Adobe PDF Library; take advantage of the free trial available for download today.

No matter if you are an individual, a corporation, a government entity, or an academic organization, engaging with PDFs—whether reading, creating, signing, annotating, or completing forms—is crucial. Foxit PDF Reader emerges as a lightweight, remarkably swift, and feature-rich PDF viewer that allows users to create PDFs at no cost, along with the ability to open, view, sign, and print any PDF file effortlessly. This software is driven by the industry's most rapid and accurate PDF rendering engine, guaranteeing an outstanding experience in both viewing and printing documents. It also boasts multilingual support, accommodating users in English, Dutch, French, German, Italian, Portuguese, Russian, and Spanish, which enhances its accessibility. Moreover, users have the convenience of signing documents using their own handwriting, leveraging eSignature capabilities, and easily checking the validity of digital signatures. In terms of security, Foxit PDF Reader integrates protective features such as Trust Manager/Safe Mode, ASLR & DEP, options to disable JavaScript, and Security Warning Dialogs, ensuring users are safeguarded against potential threats. Furthermore, it effortlessly connects with major cloud storage solutions and prevalent enterprise content management systems, rendering it an essential resource for various organizations. Its wide array of functionalities not only boosts productivity but also positions it as a favored option among users who prioritize efficiency and dependability when handling PDF documents. With its continuous updates and user-centric features, Foxit PDF Reader remains committed to enhancing the overall document management experience.

PDF Automation Server (PAS) offers an extensive array of functions for processing PDF files tailored to various operational needs. This server is critical for enhancing PDF management, optimizing document workflows, and coordinating web services effectively. The REST API Module enables seamless integration into current processes through API calls, while the HTML5 PDF Module allows for the direct conversion and serving of PDF files in web browsers. Additionally, the Workflow Module supports a comprehensive suite of PDF processing and conversion features within a powerful RESTful server framework. Its capability to merge with existing document workflows and connect with third-party integration and orchestration tools further amplifies its utility. Moreover, the HTML PDF Markup Module empowers users to annotate PDF documents directly in their browsers, enhancing collaboration and editing efficiency. Overall, PAS is an indispensable asset for organizations looking to streamline their PDF-related tasks and improve productivity.

Enhance your applications with the versatile MuPDF SDK, which seamlessly integrates robust PDF capabilities. This compact yet swift viewer accommodates various document formats, including PDF, XPS, OpenXPS, CBZ, and ePUB. It features a renderer crafted for high-quality anti-aliased graphics, ensuring that text is displayed with precise metrics and spacing, accurate to mere fractions of a pixel. The PDF library comes equipped with a range of interactive functionalities such as annotations, form filling, digital signatures, redactions, and search capabilities. Furthermore, the command-line tools offer extensive customization options for rendering, converting documents, and manipulating PDF files, allowing for conversion to formats like HTML, SVG, and CBZ. In addition to its C library, MuPDF provides a Java library utilizing JNI, compatible with both Oracle's Java and Android platforms. Alongside the Java API, bindings for C++ and Python have also been established, showcasing its compatibility with major programming environments and operating systems. Its flexibility and optimization for various platforms make it a powerful tool for developers. The MuPDF API has found applications in a wide range of deployments, including mobile applications on both Android and iOS, SaaS and cloud solutions, document management systems, and various embedded products, highlighting its versatility and effectiveness in meeting diverse user needs.

With Able2Extract Professional, you can handle various tasks such as converting, creating, editing, and signing PDFs, as well as utilizing OCR capabilities for scanned documents. The software allows for customization of the interface's language and visual style, offering both light and dark themes to enhance your PDF experience. You have the flexibility to select specific elements like pages, paragraphs, or lines for conversion, and can transform intricate PDF table data into Microsoft Excel format while preserving the original table layouts through the Smart Layout Detector feature. Additionally, you can modify PDF text and pages, annotate documents, and remove unwanted content. The program also supports signing PDF files, filling out forms, and creating new PDFs, while offering options to split documents into smaller sections. It enables the conversion of scanned PDFs into multiple languages, including English, French, and Spanish. For those managing large quantities of files, batch PDF conversion can be streamlined by organizing numerous documents into queues or entire folders, allowing for efficient processing. Moreover, you can batch create PDFs from diverse formats and merge them into a single document, while also securing your files by adding passwords and permissions. Able2Extract Professional truly serves as your all-in-one solution for comprehensive PDF management, catering to a wide range of user needs.

Watermarking PDFs, adding content to PDFs, querying PDF documents, converting files into PDFs, turning PDFs into images, adjusting PDF colors, and creating PDF/A and PDF/X formats are just a few of the features available; additionally, you can compress, linearize, and flatten PDFs, as well as merge or split them, encrypt, decrypt, and restrict access to PDFs, extract text, perform OCR on PDFs, upload files, and zip them as needed. Our robust RESTful API is now fully operational, enabling you to efficiently develop your own products and solutions without the need to start from scratch, while providing you with comprehensive control over your backend infrastructure. With our private cloud service, you can oversee every aspect of the process, ensuring full management of your documents. The pdfRest API Toolkit can be quickly configured through the AWS Marketplace, allowing you to set up a self-hosted, production-ready server that integrates seamlessly with your services or automates your internal document workflows. We offer flexible pay-as-you-go pricing plans, catering to businesses that demand complete ownership of their backend systems with minimal or no external server interactions. Moreover, by creating an EC2 instance to host our API, you gain total ownership over all files stored on your server, thereby enhancing your operational security and efficiency. This approach empowers you to tailor your document management solutions exactly to your needs.

Slim PDF Reader allows you to copy and paste text from PDFs, annotate them, and fill out interactive forms seamlessly. This lightweight and entirely free application offers the ability to validate digital signatures on various operating systems, including Windows, Mac, and Linux. Its Dark theme is designed to conserve battery life and minimize eye strain for users. With a minimal download size of just 15 MB, Slim PDF Reader is a fast, resource-efficient desktop PDF reader that remains completely free of any unwanted bloatware. You can experience an effortless PDF management solution that prioritizes user convenience and system performance.

Edit and convert your PDF files directly in your browser with PDFChef by Movavi, available for both Mac and PC, ensuring your PDFs are tailored to your specifications. Enjoy a range of advanced tools and various editing options at no cost, making PDF management straightforward and hassle-free. Our software is designed to enhance your productivity and help you achieve your goals efficiently. With a new name that embodies our mission, PDFChef empowers you to handle everyday PDF tasks while keeping your device secure. You can also explore a free trial version to experience all the capabilities of our PDF editing software. PDFChef by Movavi provides numerous editing possibilities, allowing you to insert, crop, and resize text, as well as rearranging, deleting, rotating, and reordering pages seamlessly. Whatever modifications you need, PDFChef gives you the flexibility to customize your PDFs as you wish. Additionally, the user-friendly interface ensures that even those new to PDF editing can navigate the features with ease.

PDFsail is an advanced online PDF tool designed to enhance productivity in the workplace. This versatile platform provides an array of valuable features that simplify everyday PDF document management, all without the need for software installation or downloads. Users can effortlessly convert PDF files into formats such as Word, Excel, PowerPoint, images, and more. Additionally, it allows for quick compression of PDF files, ensuring that document quality is preserved for easy storage and sharing. The editing capabilities enable users to modify PDF content directly online by adding annotations, signatures, or images to suit their needs. Furthermore, thanks to AI technology, users can efficiently summarize PDF content and receive answers to questions derived from the documents. Lastly, PDFsail supports both merging multiple PDF files into a single document and splitting larger files into smaller segments for improved organization. This comprehensive suite of tools makes PDFsail an essential resource for anyone working with PDF documents.

SanPDF, created by Sanshangyun Technology Co. Ltd., is a versatile tool that accommodates a variety of document formats such as PDF and e-books. In addition to supporting these formats, it offers the ability to convert between PDF and various office documents. Our mission is to develop intelligent and user-friendly products tailored for Internet users. By focusing on technological advancements and thoughtful design, we strive to design software that enhances both office and personal experiences. Our goal is to simplify and enrich your daily life, making it more enjoyable and efficient. In addition to PDF, SanPDF supports numerous file types, including XPS and DjVu, alongside popular e-book formats like Mobi, CHM, and EPUB. The software is capable of converting PDF files to multiple formats, including Word (.docx), Excel (.xlsx), PPT (.pptx), as well as transforming images into JPEG and BMP formats. With these features, SanPDF not only streamlines document management but also caters to a wide range of user needs.

Enhance your application with PDF functionalities by utilizing just two API calls: Open, Edit, and View PDF. With a simple configuration file and these API calls, you can enable your app to swiftly import, view, modify, and open PDF documents within a single day. The SDK is designed to bridge format discrepancies, offering features such as cropping, color management, fills, and font adjustments. It facilitates the conversion of any PDF versions, including the ISO Standard PDF 2.0, allowing for versatility with any PDF file or print-ready document as an input. The conversion process is streamlined, ensuring a smooth experience without any intermediary steps or loss in quality, and it eliminates the need for a printer driver. Compatible with Windows, MacOS, and Linux, the PDF Conversion SDK also supports .NET and comes with sample code for your reference. Additionally, it effectively removes unnecessary data and compresses files, leading to enhanced performance during web and application browsing, making it an efficient choice for developers. By adopting this technology, you can significantly improve the user experience when handling PDF files.

DocShifter offers a streamlined solution for automating the conversion of various digital content types, including documents, images, videos, and audio files, into diverse digital formats, whether hosted on-premises or in the cloud. We cater to clients in highly regulated sectors such as Life Sciences, Banking & Insurance, and the public sector, proudly supporting prominent corporations like Bayer, Novartis, Biogen, Sanofi, Chiesi, Otsuka, and Galapagos, among others. In an increasingly digital landscape, our content conversion capabilities serve multiple functions, ranging from generating compliant PDFs for new drug submissions to ensuring file format integrity during archiving and standardizing documents during migration processes. What sets us apart is our commitment to simplicity; our setup allows users to implement the system and then set it aside, enabling high-quality conversions at impressive speeds while requiring minimal computing resources. This efficiency not only leads to reduced costs but also ensures compatibility across various environments, from Docker and Linux to Windows, allowing seamless integration with all enterprise systems and fostering centralization that ultimately lowers expenses across organizations. Additionally, our dedication to user-friendly solutions ensures that even the most complex conversion tasks can be managed effortlessly, paving the way for increased productivity and streamlined operations.

Conholdate.Total serves as the all-encompassing toolkit for every .NET API provided by Aspose and GroupDocs, empowering developers to execute an extensive range of document processing functions within their .NET applications. This comprehensive package offers integrated solutions tailored for various document management systems, enabling users to create, modify, print, view, sign, compare, automate, and convert a diverse array of widely-used document formats. With Conholdate.NET, you can seamlessly handle numerous file types, making it simple to open, edit, and convert files with ease. Currently, Conholdate.Total.NET is compatible with an impressive array of file formats, which includes Microsoft Word documents, Excel spreadsheets, PowerPoint presentations, Adobe PDF files, Outlook items, Microsoft Project files, and over 100 additional formats, making it an invaluable resource for developers. Its versatility ensures that users have the tools necessary to manage their document workflows effectively.

Improve the efficiency of file transfers and reduce opening times by minimizing the size of PDF files. Transform both born-digital and scanned images into searchable PDF formats to enhance accessibility. Compress these files to make them more manageable for emailing or uploading purposes. Increase the quality of scanned documents by utilizing higher DPI settings and color, while still achieving reduced file sizes. Add elements like watermarks, headers, footers, and other necessary features to enhance document presentation. Implement more effective migration strategies and standardize content to optimize management workflows. Tackle unpredictable expenses linked to cloud services and data retrieval. Elevate your team's productivity and overall organizational efficiency, resulting in smoother workflows. Streamlining these procedures allows for a more effective approach to managing digital documents, which ultimately benefits the entire operation. Adopting these practices will lead to a significant enhancement in document handling capabilities.

Illuminate your content with a distinctive user experience that captivates your audience. Our user-friendly platform enhances your media's interactivity, leading to improved conversions and greater visibility. You have invested significant effort into crafting exceptional content for your brand, and now it's crucial to make sure it not only stands out but also engages viewers and prompts them to take action. Emphasizing interactivity in your content is vital for success, and our innovative tools simplify this process, allowing you to transform any marketing asset into an interactive experience with just a few clicks. If you're managing numerous products, our automated product feed ensures that new items are seamlessly integrated, keeping your offerings up-to-date. Given that audience attention spans are dwindling, incorporating interactive elements is key to ensuring your content captures attention amid the overwhelming digital noise. By utilizing interactive images and videos, you can turn passive viewers into active participants, enhancing their overall engagement and experience. Elevate your content strategy today and witness the difference that interactivity can make in connecting with your audience.