Best Web-Based PDF Readers of 2025

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.

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.

MobiPDF (formerly PDF Extra) is an intuitive reader and editor that allows you to read, edit, create, OCR, organize, annotate, fill and sign, convert, and share any PDF. This makes MobiPDF an excellent choice for users seeking a budget-friendly alternative to Adobe Acrobat Pro. HERE’S WHAT YOU GET WITH MOBIPDF: Multiple Page View Modes: Enjoy a distraction-free "Read Mode". Advanced Editing Tools: Experience a Word-like PDF editing environment. Two-Way Conversions: Convert PDFs to and from Word, Excel, PowerPoint, or image formats. OCR Support: Make scanned documents searchable. Markup Tools: Highlight, comment, strikethrough, stamp, and more to enhance your documents. Effortless PDF Organizer: Reorder, compress, split, and combine PDFs with ease. Sign & Secure: Add signatures, create and fill forms, and protect your PDFs with passwords, encryption, and digital certificates. Offline Mode: Work freely on your projects, even offline. Seamless translation: One-click translate any PDF into 50+ languages.

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!

SodaPDF is the software solution that will help your business achieve any document goal quickly and easily. You can edit, create, convert and sign PDFs according to your requirements. Use the best PDF editor and converter to modify documents. Our PDF tools are easy to use and can be used to simplify any document workflow. Our Batch tool is the fastest Microsoft Office-to PDF converter on the market. It allows you to create multiple PDFs or convert them all at once. You can also add page numbers, watermarks and Bates numbers to multiple files or folders. Our E-Sign feature allows you to sign, manage and track electronic signatures remotely. OCR Edit saves time and eliminates the need to retype text. It allows you to quickly search, recognize and modify any image or scanned document. Access the entire Soda PDF suite of tools and services from your desktop or any device that has a web browser.

Foxit PDF Editor allows you to edit, view, create, organize, share, collaborate, secure, OCR, export and esign your PDF documents. Suitable for both SMBs and Enterprise, across desktop, mobile and web-whether you’re at the office, home or on the go. Affordable and easy to use with a low learning curve, which is perfect for remote workers and global companies, who can share, collaborate and provide feedback 24/7, anywhere in the world. Foxit PDF Editor is suited for individuals and groups who have to create, review, edit, manage, share and secure PDF documents. Foxit PDF Editor+ offers additional features, including editing, collaboration and security capabilities which are often required in larger sized companies.

SwifDoo PDF is an All-in-One PDF Maker, Reader, Editor and Converter for Windows SwifDoo PDF enables users to create, convert, merge, compress and sign PDF documents with minimum effort. The intuitive design tool also enables you to insert links or images to PDFs. The PDF document can be converted to Microsoft Word, Excel, PowerPoint, JPG, PNG, TIFF, BMP, and vice versa. You can also convert CAD to PDF. The PDF compression module integrated with SwifDoo PDF is optimized for file size without quality loss. SwifDoo PDF has a number of special features for scanning copy convert. Besides many convert features. PDF Reader PDF Annotation (Including Stamp) Picture/image Extraction (only need copy and paste from PDF) PDF Edit PDF Compress PDF Merge PDF Split PDF Signature System Requirements: Windows 10/7/8/vista/XP Edition: SwifDoo PDF 2.0.1.9

Experience the convenience of viewing, signing, collaborating on, and annotating PDFs with the complimentary Adobe Acrobat Reader. With Adobe Acrobat Reader, you have the unique ability to view, sign, gather and monitor feedback, and share PDFs at no cost. For those seeking expanded functionality, a subscription to Acrobat Pro allows for editing, exporting, and sending PDFs for signatures. Go beyond merely opening and reviewing PDF documents; easily annotate files and consolidate comments from various reviewers in a single, shared online PDF. The Acrobat Reader mobile app empowers you to manage documents on the go, equipped with essential tools for converting, editing, and signing PDFs. You can even utilize your device's camera to capture images of documents, whiteboards, or receipts and save them as PDFs. Acrobat Reader seamlessly integrates with Adobe Document Cloud, enabling you to access and work on your PDFs from virtually anywhere. Furthermore, you can conveniently store and access your files through platforms like Box, Dropbox, Google Drive, or Microsoft OneDrive, enhancing your document management experience. Whether you're in the office or on the move, Acrobat Reader ensures you have everything necessary to handle your PDF needs effectively.

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.

Smallpdf, a Swiss company, is made in Switzerland, the land where watches, banks and clean design are all present. Smallpdf has won numerous awards for its innovative document management tools. Smallpdf was founded in 2013 and provides a simple, reliable, and secure solution to complex, awkward PDF software. Smallpdf is the most trusted and loved PDF software on the planet. It has served over 500 million users and 100,000 companies in 24 languages and in every country around the globe, including Antarctica. Smallpdf seamlessly integrates with professional and personal tasks, increasing productivity and simplifying how people manage their documents. With tools to compress, convert and edit, sign, protect and unlock PDF documents in just few steps,

Transform your static PDF materials into engaging digital content with our responsive publishing solution. Our web-based PDF viewer and digital publishing toolkit enable you to turn your catalogs, brochures, or magazines into stunning online publications. By converting your PDF files into dynamic interactive experiences, you can enhance user engagement. This specialized viewer caters to high-quality print documents such as magazines and brochures, ensuring that your publications retain their original layout when moved online. By integrating this viewer, you can offer a seamless and visually appealing experience for your audience as they navigate through your content. Additionally, converting your PDF catalogs to HTML5 enhances readability, improves loading speed, and ensures crisp text presentation. Avoid frustrating your website visitors with lengthy download times for large PDF or image files; our viewer streamlines your documents for optimal online performance while significantly reducing loading delays. Offering both slide and flipbook modes, this viewer provides diverse viewing experiences to suit various preferences. Ultimately, this tool not only elevates your publications but also enriches the overall user experience on your platform.

UPDF allows you to edit, annotate, and manage PDF on Windows, Mac, iOS, Android, and Android. All the tools you need to organize, edit, annotate and manage your PDF files are available in one smart, all-rounder smart app. It was specifically designed to satisfy the needs of most users who want a beautiful yet easy-to-understand interface that is not only for beginners. Key Features 1. Edit PDF Document You can add, delete, and edit text properties and formats, such as font style, font color and size. You can also crop and rotate, replace, remove, or extract images. 2. Annotate PDF - Highlight, underline, or strike out any parts. For a faster and easier way to add text, you can also add shapes, sticky note and text boxes. 3. PDF Page Management Rotate, delete and extract PDF pages. 4. Navigate and View PDF Files - Flexible reading mode, such as single-page mode or double-page mode.

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.

PDFgear is a PDF solution that allows users to view, edit, convert, sign annotate, organize and more on Windows, MacOS and iOS. PDFgear's clean and simple interface allows users to enjoy reading and editing documents without interruption. PDFgear Copilot is a personal assistant that offers more options than a standard document assistant. It's powered by AI so users can easily manipulate all the PDFgear features and chat with PDFs. You're lost in the vast array of functions and document content? Don't worry! Ask Copilot! You can ask Copilot anything! Processing PDFs is as easy as a stroll in the garden with PDFgear.

WinZip is more than just zipping. It makes PDFs simple. WinZip PDF Pro - Read, Edit and Collaborate with others, Convert, Secure PDFs, and More - View and examine any PDF file Convert files from and into PDF - Combine multiple files into one PDF Edit, delete, extract, and arrange PDF pages Comment directly in PDFs... and so much more WinZip PDF Pro was designed from the ground up to make it simple and intuitive. All your PDF needs at home and work can be met in just a few clicks. It's easy, powerful, and inexpensive. WinZip PDF Pro is a 100% free PDF reader that can be used to view PDFs. You can also unlock its PRO features to really meet your PDF management and editing needs. WinZip PDF Pro's 7-day free trial begins as soon as the program is installed on your device. There is no registration and you won't need to provide your email address or credit card. We have the right solution for you, whether you want to view PDFs or create and manage PDFs professionally.

Xodo allows you to edit, annotate and sign PDFs on your desktop, mobile, or web. Xodo makes it easy to work with PDFs. No more printing or faxing! You can sign contracts, expense reports and cover letters on your smartphone or tablet with just your finger or stylus. It's that easy! Sign any document with just your finger, instead of searching for a pen or printing ink. You can save your signature and sign any future documents with just one tap or click of the mouse. Save the file and share it with anyone who needs it. It takes only seconds to do what used to take many emails back and forth. Xodo takes stress out of filling out forms. You can complete forms from your smartphone or tablet anywhere you are by simply tapping on the screen to fill in fields and selecting checkboxes. You can save time and energy. Fill out forms on your smartphone or tablet and save them to share with anyone who needs them.

PDFescape offers a complimentary online platform for editing PDFs and filling out forms. This user-friendly tool allows individuals to read, modify, and design PDF documents without needing any specialized software, making it a great alternative for those who want to manage their PDF files easily. Accessible through any modern web browser with an active internet connection, PDFescape provides a variety of features including the ability to add text, shapes, and whiteout areas within PDF documents. Users can also crop, deskew, rearrange, delete, or insert pages as needed. The platform enables the creation of links to other PDF pages or external websites and allows for modification of PDF metadata. Security features include the option to encrypt documents with a password. Additionally, users can insert images and sign documents digitally using a scanned signature. Filling out forms is made easy with support for existing fields or by utilizing the text tool. It supports essential types of fields such as text boxes, checkboxes, radio buttons, lists, and dropdown menus, along with basic calculation and formatting capabilities for PDF fields. Furthermore, users can easily navigate between fields using the tab key, ensuring a streamlined experience.

We serve as the connection between physical documents and digital storage, providing efficient PDF workflows that enhance your effectiveness while minimizing administrative tasks. You can conveniently edit PDFs using Google Workspace, launching Lumin directly from platforms like Gmail, Google Drive, or Google Classroom. The process of uploading old documents to the cloud has been simplified like never before. Keep your team aligned with real-time feedback mechanisms and manual editing tools. With Lumin Sign, you can submit projects, negotiate agreements, and finalize signatures all in one place. K-12 educators and students can take advantage of our generous free plan. Our offerings are backed by a robust and continuously updated security framework. Additionally, we utilize a Google-verified storage system, ensuring your documents remain within Google Drive's ecosystem. Foster collaboration with existing team members while also appealing to new recruits using Lumin and Lumin Sign. While each of our innovative solutions stands out on its own, their combined use maximizes effectiveness. Lumin streamlines your team's workflow, significantly reducing unnecessary back-and-forth. With a cloud workspace seamlessly integrated with Google, enjoy the benefits of real-time collaboration like never before.

Ennov Doc is part of Ennov's ECM platform for regulated industries, especially the Life Sciences Sector. Our solution is recognized by Gartner as a relevant actor in the Life Sciences sector (mentioned in Gartner's Hype Cycle for Life Sciences Reports as a Regulated SaaS EDMS, as well as for eTMF and QMS) , and suitable for large as well as small organizations. It comprises in the same interface and completely integrated : Document management (EDMS), Business process management (BPMS), Dossier management (composite documents management), Report management, Traceability and security (21 CFR part 11 compliance). With a very intuitive 100% web interface, deployments are easy and user adoption extremely high. Another key point is that document management is "metadata oriented", meaning that documents navigation and search is completely configurable using metadata rather than folder structures. Users can very quickly find documents based on what they are rather than where they are.

Free PDF converter allows you to convert from PDF format to other formats. Convert to PDF (Word, JPG, ePub, etc.) You can combine multiple files into one PDF. You can also use different output file settings. You can convert PDF to DOC and JPG. Icecream PDF Converter supports password-protected files and has a built in PDF reader. PDF Converter is available for Windows 10, 8, 7, and XP. Free PDF converter available to convert files to or from PDF format. You can add multiple files to the PDF Converter queue and convert them all in one click. To create editable Word documents, recognize text in scanned PDFs. Select page size, margins, and orientation; rotate and choose content position when converting images (JPG, TIFF, and others). To convert PDF files to images, select page ranges. Merge multiple documents or images into one PDF file. Convert files of any size from and to PDF.

CutePDF Writer is a user-friendly, free tool that allows anyone to convert any printable document into a professional-quality PDF file. The latest version, 4.0, comes with enhanced settings and capabilities. It is compatible with Windows 10 and Server 2019. Meanwhile, CutePDF Professional serves as a powerful PDF utility that works seamlessly with CutePDF Writer. It offers features like creating PDF booklets, imposing (n-Up pages), merging PDF files, adding watermarks, editing forms, inserting comments, and customizing headers and footers, as well as rearranging pages, ensuring security, and enabling digital signatures. Users can scan documents, utilize FTP, and much more with this software. Additionally, it allows for the integration of PDF creation into any application, solution, or service, supporting programmatic access and letting you use a custom PDF printer name. The software also facilitates both silent installation and uninstallation, making it convenient for various users. Overall, CutePDF solutions are designed to enhance productivity and streamline document management processes.

All-in-one Desktop PDF Conversion Software. WorkinTool PDF Converter is a handy all-in-one desktop PDF converter with a user-friendly interface. It also has clear navigation. It is easy to install on your computer and you will have a PDF reader as well as a converter, combiner splitter, compressor, and many other useful features. It is easy to use and works with all operating systems, including Windows and macOS. Convert PDF to Word Convert PDF files into editable Word documents such as doc and Docx with 100% accuracy Convert PDF to Excel Convert PDF files into Excel spreadsheets that are easy to edit, such as xls or xlsx PowerPoint to PDF Convert PDF files into editable PowerPoint (PPT), slideshows such as ppt or pptx JPG to PDF You can save each page as a separate image or extract all of the images from a PDF. Convert from Word to PDF Convert a Word document (docx and docx), into a PDF easily Excel to PDF Export Excel documents (xlsx, xlsx, and CSV to PDF

OnePDF is an online tool that allows you to view and convert PDF documents quickly and easily. OnePDF's Excel-toPDF converting tool is one of its most impressive features. It allows you to quickly convert Excel files into high-quality PDFs. OnePDF's Excel to PDF converting tool makes it easy to convert Excel files without the need for additional software or complicated installations. Simply upload your Excel file to OnePDF and the tool will convert it into a PDF document in a matter of seconds. The converted PDF file can be downloaded and used however you wish.

Your files are securely stored on our servers, ensuring that only you and those you permit can access them. You can rest easy knowing that we utilize redundant servers located in different areas to prevent any downtime or document loss. Our unique PDF viewer includes built-in markup tools that enable you to easily highlight, underline, annotate, add text, and redact sensitive information. Furthermore, our system transforms your uploaded documents into a text-searchable format through optical character recognition, allowing for more dynamic and efficient searches. Detailed audit trails and reports inform you of which authorized users are accessing your files and their activities, granting you full control over your account while enhancing your security. You can conveniently access and upload documents to eBridge using your mobile device’s browser, ensuring flexibility and ease of use. This comprehensive approach not only safeguards your documents but also streamlines your workflow.