Best PDF Readers for Linux of 2026

Apryse (formerly PDFTron) makes documents work harder for you. We give organizations the power to handle the full document lifecycle — from secure server-side processing to smooth web-based collaboration — without relying on third-party services. With Apryse, you can: Integrate advanced document capabilities like viewing, editing, annotation, and e-signature directly into your applications. Deploy on your own infrastructure for maximum control, privacy, and compliance. Scale effortlessly with technology built for high-volume, enterprise-grade workflows. Deliver modern web experiences that are fast, accessible, and reliable across browsers and devices. Trusted worldwide, Apryse helps enterprises, developers, and small businesses simplify workflows, cut costs, and deliver better digital document experiences.

Incorporate sophisticated document visualization, note-taking, form management, signing, and editing functionalities into any JavaScript framework. Utilize the pre-existing user interface, customize components through the slot mechanism, or operate entirely in headless mode—each feature is accessible through code, catering to both human users and AI systems. Handle processing on the client side with WebAssembly, on the server, or via cloud services. Achieve flawless rendering with rapid page streaming for extensive documents. Take advantage of over 17 types of annotations, form building and completion, along with electronic and digital signature capabilities.

Install-free PDF editing, form filling, redaction, signing, viewing, and more on your website with RAD PDF! Packaged as an easy to use library / WebControl (compatible with .NET 3.5+, .NET Core, and .NET 5+), RAD PDF can be used with just about any flavor of ASP.NET including MVC, Razor, Blazor, WebForms, and more. RAD PDF is compatible with 99% of internet browsers, including those on Linux, Mac OS X, Microsoft Windows, and mobile. No plugins. No Adobe Reader. RAD PDF is more than a PDF to HTML converter. It natively supports all the most common PDF features including annotations, bookmarks, form fields, page labels, and more. With advanced PDF options, RAD PDF allows you to selectively enable and disable features not available with Adobe Acrobat Reader, like protecting a PDF from being downloaded while still viewable online. RAD PDF users can use PDF form fields directly from the web browser by enabling PDF form filling and PDF form saving without having to install any software. Integrating directly with ASP.NET, RAD PDF allows your web application to capture input data, build custom workflows, and provide an intuitive graphical user interface (GUI) for just about any online PDF interaction imaginable!

Create, review and edit PDF Documents with this full-featured PDF editor available for Windows, Mac, and Linux. PDF Studio is easy to use and a dependable substitute for PDF editors such as Adobe® Acrobat®. It contains all the PDF features and tools needed at a much affordable price, maintaining full compatibility with PDF standards. PDF Studio Standard Features: -Create PDFs -Scan to-PDF -Annotate and markup PDFs -Precision Measuring Instruments -Fill in and Save PDF Forms -Secure Documents -Append/Delete Pages -Create Watermarks, Headers, Footers -Loupe, Pan & Zoom, Rulers, etc... -Document Storage Integrations -DocuSign Integration -Supports PDF 2.0 standards PDF Studio Pro Features: -All features in Standard, Plus... -Interactive Form Designer -OCR (Text Recognition). -Content editing (Text and images) -Redact & Sanitize PDFs -Compare PDFs -Optimize PDFs -Digitally Sign PDFs -Advanced Imposition

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.

PDF Studio Viewer is a multi platform document reader that is dependable and very simple to operate. PDF Studio Viewer has the ability to annotate documents and fill documents that are interactive. To experience an upgraded version of this product, you can check out PDF Studio Standard and PDF Studio Pro. Features included in PDF Studio Viewer: -Display PDFs with high fidelity -Annotate & Markup PDFs -Fill & Save Forms -Render Digital Signatures & Layers -Advanced User Interface -Advanced Print & Search Options -Document Storage Integrations -DocuSign© Integration

Regardless of whether you are a consumer, a business, a governmental body, or an educational institution, it is essential to read, create, sign, annotate, and fill out PDF forms. Foxit PDF Reader stands out as a compact, incredibly fast, and feature-packed PDF viewer that enables users to create PDFs for free, as well as open, view, sign, and print any PDF document. This software is powered by the fastest and most precise PDF rendering engine in the industry, ensuring an exceptional PDF viewing and printing experience for all users. It offers support in multiple languages, including English, Dutch, French, German, Italian, Portuguese, Russian, and Spanish. Users can sign documents using their own handwriting, take advantage of eSignature functionalities, and easily verify the status of digital signatures. To safeguard against potential vulnerabilities, Foxit PDF Reader incorporates features like Trust Manager/Safe Mode, ASLR & DEP, the ability to disable JavaScript, and Security Warning Dialogs. Additionally, it seamlessly integrates with major cloud storage services and widely used enterprise content management systems, making it an invaluable tool for organizations of all types. Its versatile capabilities make it a preferred choice among users looking for reliability and efficiency in managing PDF documents.

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.

You can copy and paste PDF text, annotate PDFs and fill out interactive PDF forms. With a lightweight and completely free Slim PDF Reader, you can also validate digital signatures that you have received on Windows, Mac, or Linux. It has a Dark theme that will save you battery and reduce eye strain. Slim PDF Reader is a desktop PDF reader that is small and lightweight (download size 15 MB), fast and easy to use system resources, and 100% free of bloatware.

Javelin PDF readers encompass all essential features required for accessing both standard PDF documents and those secured with our complimentary Drumlin Publisher software (.drmz and .drmx formats). These readers enable users to navigate through internal and external hyperlinks, utilize contents/navigation trees, and choose from a variety of page display options, while also allowing for text searching, annotations, and markup capabilities. Files that are encrypted are safeguarded against unauthorized copying and further distribution, with potential limitations on printing permissions and expiration dates that restrict access after a certain time. Users can find information regarding these Digital Rights Management (DRM) configurations through the properties and info section within the Javelin readers. For those with visual impairments, it is recommended to opt for the Mac OSX/Catalina version of Javelin3, which includes text-to-speech functionality. Additionally, Javelin is compatible with both PC and Mac systems, making it viable for use within large corporate networks that may have strict firewall settings. This versatility ensures that users have the flexibility to access their documents securely in various environments.

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.

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