List of the Top 25 Free PDF Readers in 2025

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.

MobiPDF, previously known as PDF Extra, serves as a user-friendly platform for reading and editing PDFs, offering features such as creating, organizing, annotating, filling, signing, converting, and sharing any PDF file. This versatile tool stands out as a cost-effective substitute for Adobe Acrobat Pro, catering to a wide array of user needs. HERE’S WHAT YOU CAN EXPECT WITH MOBIPDF: Multiple Viewing Options: Utilize a focused "Read Mode" for an uninterrupted reading experience. Sophisticated Editing Capabilities: Engage with a PDF editing interface reminiscent of Word. Bidirectional Conversions: Effortlessly transform PDFs into and from formats like Word, Excel, PowerPoint, or images. OCR Integration: Enhance scanned documents by making them searchable. Annotation Features: Utilize tools to highlight, comment, strikethrough, stamp, and more to improve your documents. Simple PDF Management: Easily reorder, compress, split, and merge PDFs as you need. Signing and Security: Incorporate signatures, create and fill out forms, and safeguard your PDFs with passwords, encryption, and digital certificates. Offline Functionality: Continue working on your files without needing an internet connection. Instant Translation: Translate any PDF into over 50 languages with just a click. Overall, MobiPDF combines essential features and user-friendly design, making it a reliable choice for anyone needing comprehensive PDF tools.

SwifDoo PDF is a versatile tool for Windows that serves as a comprehensive PDF maker, reader, editor, and converter. It allows users to effortlessly create, convert, merge, compress, and sign PDF files while offering an intuitive interface that supports the insertion of links or images into documents. Users can convert PDFs into formats such as Microsoft Word, Excel, PowerPoint, JPG, PNG, TIFF, BMP, and even convert CAD files to PDF. The integrated compression feature ensures that files are reduced in size without compromising quality. Additionally, SwifDoo PDF boasts an array of specialized tools for scanning and converting documents, enhancing its functionality. Among its capabilities are PDF reading, annotation (including stamp features), image extraction, editing, compression, merging, splitting, and adding signatures to documents. This all-in-one solution is compatible with various Windows operating systems, including Windows 10, 7, 8, Vista, and XP. The current version available is SwifDoo PDF 2.0.1.9, making it a reliable choice for managing PDF files efficiently.

SodaPDF offers a comprehensive software solution designed to help businesses efficiently accomplish their document-related tasks with ease. Whether you need to edit, create, convert, or sign PDFs, this versatile tool caters to all your specific needs. By utilizing the top PDF editor and converter available, you can seamlessly modify your documents. The user-friendly PDF tools streamline any document workflow, enhancing productivity. Notably, our Batch tool stands out as the quickest Microsoft Office-to-PDF converter on the market, enabling you to generate or convert multiple PDFs simultaneously. Additionally, you can effortlessly add page numbers, watermarks, and Bates numbering to numerous files or folders in one go. The E-Sign feature facilitates the remote signing, management, and tracking of electronic signatures, making it an invaluable asset for modern business practices. With OCR Edit, you save valuable time by eliminating the necessity to retype text, as it allows for quick searching, recognition, and modification of images or scanned documents. Furthermore, you can access the complete suite of Soda PDF tools and services from your desktop or any web-enabled device, ensuring flexibility and convenience in managing your documents. This adaptability makes SodaPDF an essential resource for any organization looking to enhance its document efficiency.

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.

Take advantage of our complimentary Adobe Acrobat Reader to effortlessly view, sign, collaborate on, and annotate your PDF files. With this tool, you can not only view and sign documents but also collect feedback and share PDFs for free. If you wish to enhance your experience, you can subscribe to Acrobat Pro, which provides additional features such as editing, exporting, and sending PDFs for signature requests. Move beyond simply opening and viewing your PDF files; it's easy to annotate your documents and gather input from multiple reviewers into a single shared online PDF. The Acrobat Reader mobile app allows you to conveniently work on your documents from anywhere, equipped with essential tools for converting, editing, and signing PDFs. Moreover, the app lets you use your device's camera to scan documents, whiteboards, or receipts and turn them into PDFs. By connecting to Adobe Document Cloud, Acrobat Reader guarantees that your work with PDFs is accessible no matter where you are, and you can easily manage your files on platforms such as Box, Dropbox, Google Drive, or Microsoft OneDrive. This smooth integration offers a flexible and efficient workflow, enhancing your document management experience like never before, ensuring your productivity remains uninterrupted. Thus, whether you're working on a personal project or collaborating with a team, Adobe Acrobat Reader provides a comprehensive solution for all your PDF needs.

PDFsam Enhanced serves as a robust commercial PDF editor, designed to modify, convert, and review PDF files with ease. It provides functionality for signing documents, filling out forms, and ensuring their security, while keeping your files private on your local machine without the need for third-party services. For casual users, PDFsam Basic offers a free, open-source alternative that allows for splitting, merging, combining, extracting pages, and rotating PDF files. Meanwhile, PDFsam Enhanced caters to professionals with advanced features such as visual page combination, reordering, and extensive editing capabilities. Both versions support a wide array of functionalities, including merging, splitting, and modifying PDF files. Available for various operating systems like Windows, Mac, and Linux, PDFsam has been an open-source solution since 2006. Users can conveniently create and view PDFs from over 300 file formats, allowing seamless editing without the requirement of exporting or converting to another format. The flexibility and professional-grade tools make it suitable for anyone working extensively with PDF documents.

Smallpdf, hailing from Switzerland—a country renowned for its precision in watchmaking, banking excellence, and minimalist design—has garnered multiple accolades for its cutting-edge document management solutions. Established in 2013, the company offers a straightforward, dependable, and secure alternative to cumbersome PDF software options. With a user base exceeding 500 million individuals and 100,000 businesses across 24 languages and every corner of the globe, including the remote regions of Antarctica, Smallpdf has become the go-to choice for PDF management. Its tools are designed to enhance both professional and personal workflows, thereby boosting efficiency and transforming document handling into a hassle-free experience. Users can easily compress, convert, edit, sign, protect, and unlock PDFs in just a few simple steps, making document management more accessible than ever before. This commitment to user-friendliness has solidified Smallpdf's reputation as a beloved resource for anyone dealing with PDF files.

KDAN PDF Reader serves as a comprehensive PDF management solution, allowing users to edit, sign, perform OCR scans, convert, annotate, and fill out forms within PDF documents seamlessly. By incorporating advanced AI capabilities, it enhances the efficiency of your document workflows! Tailored for Mac, iPhone, and iPad users, KDAN PDF Reader is a reliable choice for millions, thanks to its extensive features and user-friendly design. KEY FEATURES EDIT TEXT & PDF • Correct mistakes and typos directly in the PDF - replace, insert, or remove text in documents • Modify images by adding, editing, cropping, and adjusting them within PDFs • Include headers and footers for better organization • Utilize Bates numbering for effective referencing, tracking, and systematic arrangement • Apply stamps or dynamic stamps to convey status, offer feedback, and emphasize key information in the document CONVERT PDF • Offline file conversion - change files without needing an internet connection • Transform PDFs into Office file formats, images, or ePub • Supported formats include docx, xlsx, csv, pptx, rtf, txt, html, jpg, png, BMP, jpg200, pub, and MOBI SIGN & FORMS • Fill out and modify forms as needed • Design fillable forms complete with buttons, checkboxes, and list boxes • Create and apply signatures directly on PDFs • Generate signatures using a trackpad, keyboard, or images EDIT PAGE • Combine and separate PDFs effortlessly • Extract, rearrange, rotate, remove, and crop individual PDF pages • Modify the background color of PDFs for enhanced visibility • Add pages from other documents for comprehensive project management. This makes KDAN PDF Reader not just a tool, but a complete solution for all your PDF needs.

UPDF provides a comprehensive solution for editing, annotating, and managing PDF files across platforms like Windows, Mac, iOS, and Android. This versatile application consolidates all essential tools into a single user-friendly interface, designed to cater to the preferences of both novice and experienced users who appreciate an aesthetically pleasing layout. Among its key features, UPDF allows users to edit PDF documents by adding, deleting, and modifying text properties, including font style, color, and size, while also enabling image manipulation such as cropping, rotating, and extracting. Additionally, users can annotate PDFs by highlighting, underlining, or striking through text, and can easily insert shapes, sticky notes, and text boxes for improved communication. Another significant feature is the ability to manage PDF pages, which includes options to rotate, delete, and extract specific pages as needed. Furthermore, UPDF enhances the reading experience by offering various viewing modes, including both single-page and double-page formats, ensuring flexibility for all types of users. With such a robust set of functionalities, UPDF stands out as an invaluable tool for anyone working with PDF documents.

Revitalize your static PDF files into captivating digital content using our innovative publishing solution. Our online PDF viewer and digital publishing toolkit empower you to transform catalogs, brochures, and magazines into remarkable online formats. By converting your PDF documents into engaging interactive experiences, you can significantly boost user interaction. This dedicated viewer is ideal for high-quality print materials like magazines and brochures, preserving their original layout when transitioned online. Integrating this viewer enables you to provide a smooth and attractive journey for your audience as they explore your offerings. Furthermore, converting your PDF catalogs to HTML5 not only enhances readability but also speeds up loading times and ensures sharp text visibility. Say goodbye to the frustrations of lengthy downloads for large PDF or image files; our viewer optimizes your documents for superior online efficiency while greatly minimizing loading delays. With both slide and flipbook modes available, this viewer caters to a variety of viewing preferences. Ultimately, this tool not only enhances the quality of your publications but also significantly enriches the user experience on your platform, making it a valuable addition to your digital strategy. By embracing this technology, you ensure your content stands out in a crowded digital landscape.

Sumatra PDF is a free reader that supports multiple formats such as PDF, eBook (including ePub and Mobi), XPS, DjVu, CHM, and Comic Book formats (CBZ and CBR), specifically tailored for the Windows operating system. One of the standout features of Sumatra PDF is its small size, ease of portability, and lightning-fast launch time. The software prides itself on providing a simple and intuitive user interface, which is a significant advantage. Unlike traditional PDF readers, which are often perceived as slow and unwieldy, largely due to the legacy of Adobe Reader, Sumatra PDF breaks that mold by delivering a streamlined, effective, and impressively quick option for users. Its lightweight architecture not only enhances performance but also makes it a superb choice for anyone looking for a seamless reading experience, making it particularly appealing for users who prioritize efficiency and speed.

PDFgear is a comprehensive PDF tool that enables users to view, edit, convert, sign, annotate, and organize their documents seamlessly across Windows, MacOS, and iOS platforms. With its intuitive and user-friendly interface, PDFgear ensures a smooth experience for reading and editing documents without any distractions. The PDFgear Copilot serves as an advanced personal assistant that surpasses the capabilities of a typical document assistant, utilizing AI technology to help users navigate all features of PDFgear and interact with their PDF files. If you find yourself overwhelmed by the multitude of functions or content within your documents, simply reach out to Copilot for assistance—it's there to answer any questions you might have! Working with PDFs feels effortless and enjoyable with PDFgear, making your tasks as pleasant as a leisurely walk through a beautiful garden. Explore the full potential of your PDF documents effortlessly with this innovative tool!

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.

Xodo provides the capability to edit, annotate, and sign PDF documents seamlessly across desktop, mobile, or web platforms. This user-friendly tool simplifies PDF management, eliminating the hassles of printing or faxing altogether. Now, you can easily sign important documents like contracts, expense reports, and cover letters directly on your smartphone or tablet, using just your finger or a stylus. The process is incredibly straightforward! With Xodo, signing any document requires merely a tap, freeing you from the hassle of searching for a pen or dealing with messy ink. You can also conveniently save your signature for future use, allowing you to sign documents with just a single tap or mouse click. Once you're done, saving and sharing the file with others is a breeze, significantly reducing the time spent in email exchanges. Xodo effectively alleviates the stress associated with completing forms. Using your smartphone or tablet, you can fill out forms from virtually anywhere by simply tapping on the screen and selecting checkboxes. This innovative approach allows you to save both time and effort, making it easier than ever to fill out and share forms on the go. With Xodo, managing your paperwork has never been more efficient or hassle-free!

PDFescape provides a free online service that allows users to edit PDFs and complete forms with ease. This intuitive platform empowers individuals to read, alter, and create PDF documents without the need for any advanced software, making it a practical choice for those looking to efficiently handle their PDF files. It can be accessed via any modern web browser with an internet connection, offering a range of features such as the ability to insert text, shapes, and whiteout sections of PDF documents. Users also have the option to crop, deskew, rearrange, remove, or add pages according to their preferences. The service allows for the creation of hyperlinks to other pages within the PDF or to external sites, along with the capability to change PDF metadata. Security measures are included, such as the ability to password-protect documents. Moreover, users can add images and digitally sign documents with a scanned signature. Completing forms is straightforward, with support for pre-existing fields or by using the text tool for customization. It accommodates essential field types like text boxes, checkboxes, radio buttons, lists, and dropdown menus, offering basic calculation and formatting features for those fields. Additionally, the platform facilitates smooth navigation between fields using the tab key, which enhances the overall user experience and efficiency. This combination of accessibility and functionality makes PDFescape an excellent choice for anyone needing to edit or fill out PDF documents online.

Experience the ultimate PDF reader and editor, renowned for its exceptional speed, processing power, and efficiency. With over 60 advanced features, this tool encompasses a wide array of functions including PDF imposition, masking, page management, merging, splitting, and rotating, as well as batch processing capabilities. It offers the ability to compress files, utilize hot folders for automation, and perform advanced printing tasks. Users can easily replace, insert, or delete pages, add links and attachments, and manipulate text and images within their PDFs. Additionally, it supports creating and managing forms, extracting text and images, and exporting to various formats like Word, Excel, PowerPoint, and EPUB. Security features such as password protection, Bates numbering, and digital signatures enhance file confidentiality. The software also supports vector graphics, grayscale conversions, and numerous barcode options, making it a comprehensive solution for all PDF needs. Explore the endless possibilities and improve your document management today with this powerful tool.

Streamline your document evaluations and effortlessly reveal insights while identifying connections that others might miss. LiquidText goes beyond conventional paper techniques, as the methods for note-taking and document examination have remained mostly static, relying heavily on margin annotations, highlights, and sticky notes that have been in use for a long time. Even with the emergence of digital applications, a notable portion—more than 80%—of knowledge professionals still prefer paper in their work and study environments. LiquidText, however, breaks free from these constraints by skillfully capturing your reading materials, notes, highlights, and annotations, while also illustrating the links between them and the original content. This cutting-edge tool presents your project components in an organized and easily shareable manner, allowing for a smooth connection between related notes and concepts. With just a single tap, you can visualize these relationships and revisit the original context, simplifying the process of crafting detailed reports based on your insights. By revolutionizing your engagement with documents, LiquidText not only enhances your efficiency but also fosters greater creativity in your work. Ultimately, this powerful tool enables you to harness your knowledge more effectively and transform how you approach your tasks.

Nitro’s free PDF reader provides features that surpass the basic viewing and annotation options typically available in many popular PDF readers. Enjoy advanced editing capabilities, such as modifying text and images, converting files, implementing redactions, and a variety of other functionalities. You may find yourself captivated by the advanced tools offered by Nitro PDF Pro, or you might determine that the essential PDF reader features are all you require. Regardless of your choice, Nitro is designed to elevate your PDF experience! Additionally, using Nitro can significantly boost your productivity and help you optimize your workflow with ease. With such a comprehensive suite of tools at your disposal, managing your PDF tasks has never been more efficient.

Javelin PDF readers provide all the necessary functionalities to access standard PDF files as well as those protected by the complimentary Drumlin Publisher software in .drmz and .drmx formats. Users can easily navigate through hyperlinks, utilize contents and navigation trees, and select from various page display options, all while benefiting from features like text searching, annotations, and markup capabilities. Encrypted files are designed to prevent unauthorized copying and distribution, which may include limitations on printing and specific expiration dates that restrict access after a designated period. Information about these Digital Rights Management (DRM) settings can be easily located in the properties and info section within the Javelin readers. For users with visual impairments, the Mac OSX/Catalina version of Javelin3 is equipped with a text-to-speech feature, enhancing accessibility. Furthermore, Javelin readers are compatible with both PC and Mac platforms, making them suitable for deployment in large corporate networks that may have stringent firewall requirements. This broad compatibility guarantees that users can securely access their documents across diverse environments, ensuring that their reading experience is both flexible and reliable. Ultimately, Javelin PDF readers cater to a wide range of user needs, reinforcing their importance in modern document management.

Haihaisoft Reader is a free PDF reader and printer that features an impressively fast startup time and a wide array of functionalities. It is specifically designed to manage PDF files that are secured with the DRM-X platform. This application supports multiple operating systems, such as Windows, Mac, Android, and iPhone/iPad. Users can easily read and print any Adobe PDF documents, including those that feature protection from Adobe Acrobat. Notably, the download size for Haihaisoft Reader is only 3 MB, making it much smaller than Adobe Reader. Committed to user security and privacy, Haihaisoft PDF Reader ensures that personal information remains protected and does not connect to the Internet without the user's explicit consent. To enhance privacy further, the application does not automatically check for updates online; users can simply click a button in the help menu to check for and install updates at their convenience. Additionally, the DRM-X platform enables users to set various permissions for rights management, facilitating secure document sharing. In conclusion, Haihaisoft Reader not only prioritizes efficiency and security but also emphasizes user-friendliness, all within a compact and lightweight application. This makes it an excellent choice for anyone seeking a reliable PDF reader.

PDF Viewer is a versatile application compatible with iPad, iPhone, Mac, and Android devices, offering an extensive array of features such as annotations, digital forms, signatures, document editing, and sharing capabilities, all for free. Whether you are working independently or collaborating with others, this app significantly boosts your efficiency by facilitating smooth reading, reviewing, annotating, and searching through PDF files. Your essential documents will always be at your fingertips, simplifying the process of preparing for meetings, evaluating proposals, or perusing recent offers. PDF Viewer makes it incredibly easy to annotate your PDFs; you can effortlessly highlight text, add notes, create freehand drawings, and insert images. After you finish your annotations, the process of sharing or printing your documents remains uncomplicated, allowing for a seamless workflow. You can select from a wide range of annotation types, including highlighting, drawing, and adding comments or images, ensuring that your documents reflect your individual style. Furthermore, the annotation inspector feature provides you with the ability to quickly adjust the appearance of your annotations, giving you complete authority over how your notes and highlights are presented. This level of customization and ease of use solidifies PDF Viewer as an essential resource for anyone who regularly interacts with PDF documents, enhancing both personal and professional productivity. Ultimately, its user-friendly interface and robust functionalities make it a go-to choice for managing PDFs effectively.

We act as the bridge between tangible documents and digital storage solutions, delivering streamlined PDF workflows that improve your productivity while reducing administrative burdens. Editing PDFs has never been easier with Google Workspace, as you can launch Lumin from services like Gmail, Google Drive, or Google Classroom. The uploading of legacy documents to the cloud has reached unprecedented ease. Ensure your team remains synchronized with live feedback options and manual editing features. With Lumin Sign, you can manage projects, negotiate terms, and secure signatures all from a single platform. Our generous free plan is particularly beneficial for K-12 educators and students. Our services are supported by a comprehensive and continually updated security framework. Furthermore, we utilize a Google-verified storage system that guarantees your documents stay within Google Drive's protected environment. Enhance collaboration among current team members and attract new talent with the capabilities of Lumin and Lumin Sign. Although each of our innovative offerings is effective on its own, using them together amplifies their benefits. Lumin not only streamlines your team's workflow but also significantly cuts down on unnecessary communication. With a cloud workspace that integrates smoothly with Google, experience the advantages of real-time collaboration like never before, empowering your organization to achieve its goals efficiently. This seamless integration fosters a more productive atmosphere, allowing teams to focus on what truly matters.

A free PDF converter enables users to transform files from PDF format to various other formats. Users can also convert files into PDF from formats like Word, JPG, ePub, and more. The tool allows the merging of multiple files into a single PDF document and offers customizable output settings. Additionally, it facilitates the conversion of PDFs to editable formats such as DOC and JPG. Icecream PDF Converter is capable of handling password-protected files and includes an integrated PDF reader for convenience. This PDF converter is compatible with several operating systems, including Windows 10, 8, 7, and XP. It supports batch processing, allowing you to add numerous files to the conversion queue and process them all simultaneously with a single click. For creating editable Word documents, the software can recognize text in scanned PDF files, making it easier to extract information. Users can customize the output by selecting page size, margins, and orientation, as well as rotating and positioning content when converting images like JPG and TIFF. When converting PDF files to images, you can also specify page ranges for more precise results. Furthermore, it enables the merging of multiple documents or images into one cohesive PDF file, accommodating files of any size for seamless transitions in and out of PDF format. The versatility of the free PDF converter makes it an essential tool for anyone needing to manage their document formats effectively.

CutePDF Writer is an intuitive and cost-free application that enables users to transform any document that can be printed into a high-quality PDF file. The newest iteration, version 4.0, boasts improved features and functionality. It works flawlessly on Windows 10 and Server 2019. In addition, CutePDF Professional acts as a robust PDF tool that complements CutePDF Writer. This professional software provides various features, including the ability to create PDF booklets, impose pages (n-Up), merge multiple PDF files, add watermarks, edit forms, insert comments, customize headers and footers, as well as rearranging pages for better organization, ensuring document security, and enabling digital signatures. Users also have the option to scan documents and utilize FTP, among other capabilities, enhancing its versatility. Furthermore, it allows the integration of PDF creation into any application or service, supports programmatic access, and enables the use of a personalized PDF printer name. The software also supports silent installation and uninstallation, thereby offering convenience to a wide array of users. Ultimately, CutePDF's solutions are crafted to improve efficiency and simplify the management of documents in various professional settings. Through its innovative features, users can navigate their document workflows with greater ease and effectiveness.