Best Web-Based PDF Redaction Software 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.

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!

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.

Easily convert, edit, merge, and compress your PDF files with just a few simple clicks. You can quickly download your document without any hassle, as our PDF converter generates files in mere seconds! To ensure the safety of your digital information, we implement HTTPS encryption while you create PDF files on our site. You can redact PDFs, alter text, insert new elements, and engage in various other tasks, all from a single platform. Our user-friendly interface is designed for seamless navigation, allowing you to utilize our PDF creator with minimal effort. Compatible with every major operating system, our online PDF maker functions flawlessly on Windows, Mac OS, Linux, iOS, and Android. For those who wish to maintain privacy, you have the option to secure your file by locking or restricting access, preventing others from opening, editing, or printing it. This comprehensive tool simplifies your document management and enhances your productivity.

WPS Office Software, a leading office productivity suite, is available for PCs and mobile devices from Palo Alto's WPS Office Software. WPS Office is a highly-functional, but much more affordable, solution that is fully compatible with Microsoft PowerPoint, Excel, and Word. WPS Office is available for Windows, Linux-based PCs, as well as Android or iOS. WPS Office Software is a subsidiary to Kingsoft Corporation, China’s largest Internet services and software company.

Cisdem PDFMaster is an all-in-one PDF solution. It offers a range of powerful tools for editing, annotating, form filling, converting, creating, merging, splitting, compressing, encrypting, and decrypting PDF files. With it user can directly edit text and images in PDF files the same way they edit a Word document. Take full use of PDF document with AI functions like AI summarize, AI rewrite, AI proofread and AI translate. Edit both native and scanned PDFs with no formatting loss, directly manipulating text and images as easily as a Word document. Comes with multiple display modes. Support Text to speech, and comes with a full set of PDF annotating tools.  Convert PDFs to various formats like MS Office, CSV, RTF, Text, Images, etc., with original formatting kept. Also, Create PDF files. OCR PDF to searchable and editable text, supporting over 90 languages. Create and fill PDF forms. Manage PDF pages. Compress PDF with 4 preset filters: Low, Medium, High and Custom. Encrypt PDFs, add redactions, watermarks, digital signatures, and bates numbers.

PDF24 provides a range of user-friendly online tools for managing PDF files, developed by geek software GmbH, a German firm that has been operating since 2006. This platform offers complimentary solutions for various PDF-related challenges, both through downloadable software and web applications, including the popular PDF24 Creator and a suite of online tools. Despite being a compact team, the PDF24 staff is deeply committed to enhancing PDF solutions that benefit countless users globally. Their dedication has led to the successful launch of the PDF24 Creator and Online Tools, which have garnered millions of users worldwide. In addition to these tools, PDF24 also features PDF24 Fax, an online faxing service designed for those who wish to send and receive faxes without needing a physical fax machine. This commitment to innovation continues to make PDF24 a go-to resource for all things PDF.

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.

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.

REDACT is an easy-to-use, secure platform designed for automatic anonymization of personal and sensitive data in documents. Supporting 25 formats like PDF, Word, Excel, PPT, JPG, scans and XML, it ensures fast and precise redaction. Accessible online anytime, no installation needed, and backed by user support.

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.

Security-focused organizations can benefit from specialized redaction software that safeguards against unintended information leaks. Ensure that every sensitive word, phrase, or number has been properly obscured to prevent potential breaches. It can be disconcerting to finish redacting a document manually and question whether you’ve caught all confidential content. While “find and replace” is a helpful tool, it has its limitations, particularly as hidden metadata may still reside within your files. Objective Redact is an advanced, automated solution that significantly accelerates the redaction process, streamlining internal reviews while safeguarding your most critical data. This software excels in compliance and disclosure scenarios, making redaction simpler and quicker, even for extensive and intricate documents. It guarantees the complete removal of all text designated for redaction, including concealed metadata such as authorship, creation dates, and other file attributes, ultimately providing peace of mind for users. With this robust tool, organizations can focus on their core activities while entrusting their sensitive information to a reliable system.

Streamlining privacy through automated secure redaction for document sharing is the cornerstone of Rectify's approach. By utilizing privacy-centric artificial intelligence, Rectify efficiently eliminates sensitive information during the data sharing process. This innovation significantly reduces the need for human intervention in identifying and expunging consumer identities, trade secrets, intellectual property, and other confidential data from datasets destined for third-party distribution. Our team has safeguarded tens of millions of pages, and the number continues to rise. With our advanced "privacy-enabled AI" for deidentification, organizations can move away from tedious manual redaction processes. The risks associated with disclosing sensitive information without a reliable redaction tool can be severe, making it imperative to choose an effective redaction service. Rectify offers a comprehensive solution tailored to your redaction requirements, ensuring your business's security and privacy are maintained at all times. By opting for Rectify's secure redaction, you can automate privacy protection and foster confidence in your data handling practices.

By integrating legal expertise with advanced AI technology, iDox.ai proves to be an essential resource for businesses looking to streamline their NDA review processes, ensuring precise legal guidance that prevents delays and facilitates timely business operations. Our platform performs a comprehensive analysis of legal documents, evaluating the context of each clause in relation to the entire text. Designed with a strong foundation in legal principles, our algorithm offers insightful recommendations for your contracts, enhancing their quality. We are compatible with a wide range of web browsers and operating systems, allowing you to conveniently access your analyzed documents from anywhere. With our cloud-based solution, you can have your contracts assessed on the move, effectively reducing the load on your device’s resources. Rest assured, your data's safety is our priority; we utilize encryption for all data transmissions and guarantee that files are permanently deleted from our system once you opt to erase them. Additionally, our commitment to user privacy and security further strengthens the trust you can place in our services.

Our patented software will be the only tool that you ever need to protect sensitive documents. No need for complicated manuals or training, our intuitive redaction wizard will guide you through the redaction process. With us, you can redact documents with confidence. Our redactions do not mask redactions, which can be removed. You can easily redact documents in the cloud, without downloading or installing plugins. Import documents from services you use daily. Our AI technology makes it easy to redact documents. Our software finds confidential information and suggests that it be redacted with just a couple of clicks. We make it easy to manage your redactions, from task management, to setting up a hierarchy review process. Our cloud-based platform allows you to redact documents with colleagues simultaneously and collaborate on large redactions projects.

Experience the ultimate online PDF editor that you won't want to miss. Effortlessly complete forms, append signatures, erase unwanted content, and highlight text—all without any hassle. Whether you’re on a PC, Mac, or Chromebook, you can easily edit PDFs. There’s no need to install any software; simply use your current web browser. PDF Buddy prioritizes your security with Secure Sockets Layer (SSL) and AES-256 bit encryption, ensuring your files remain safe at all times. Say goodbye to the frustration of using printers and scanners for filling out PDF forms; your time is valuable and should be spent on more important tasks. Enjoy the convenience of editing up to three PDFs for free each month, or opt for our premium plans for unlimited editing capabilities. This service offers a more budget-friendly solution compared to Adobe Acrobat. If you’re still resorting to printing your PDF documents, it’s time to reconsider your approach. Go green and embrace the efficiency of PDF Buddy. In addition to the free monthly edits, you can also share our link on social media platforms like Facebook, Twitter, or Google+ to access your three complimentary edits. For those who need to edit more files, we offer a pay-as-you-go credit system for additional documents, or you can choose to enjoy unlimited access altogether. You'll wonder how you ever managed without it!

Effortlessly redact PDFs with our completely free and user-friendly tool. Stay updated on how Legalverse can optimize your business's productivity and resource management. In a matter of minutes, you can redact, verify, and download your securely edited PDF. Forget the hassle of using Adobe Acrobat to delete text or the tedious process of printing and scanning legal documents to remove sensitive information—opt for our online solution instead. Begin by uploading your PDF file, and once it appears, use our web-based editor to easily highlight the text sections you wish to eliminate. Your document remains accessible for the entirety of your redaction session. After you’ve removed the desired text and data, take a moment to review your changes, ensuring the utmost confidence and security in the removal of sensitive information. Finally, download your PDF, which will have all chosen text and hidden metadata thoroughly blacked out, ensuring that your document is safe and secure for any future use. With Legalverse, protecting your sensitive information has never been easier or more efficient.

Automating large document requests, including subpoenas, makes it easier for your legal team to respond. This complete solution allows legal teams to respond quickly to large document requests, including FOIA and subpoenas. Your team can collect all documents from one source with web-based services. Next, organize, search, tag and review the documents to determine their relevance. Redact sensitive information and keep confidential information secret during the review process. Once your team is ready for a response, you can easily create Bates-numbered PDF documents. This allows you and your team members work together to produce timely, accurate responses. Legalverse is a modern alternative to your legal team manually organizing, reviewing, and preparing documents. This increases the accuracy of the process and reduces the time it takes. Legalverse is a cost-effective solution for medium-sized document requests. It saves legal teams more than $50,000 and innumerable hours.

We offer comprehensive solutions for the processing, analysis, and conversion of documents, delivering cutting-edge innovations in document imaging and management. Our expertise in imaging technologies has been honed since 2003, allowing us to develop effective strategies for managing electronic documents, whether locally or through online platforms. The following highlights illustrate the advanced technologies utilized by ORPALIS: Full support for PDF files enables users to view, edit, annotate, compress, and sign PDFs seamlessly. Our TWAIN and WIA scanning capabilities facilitate the management of all types of scanners and acquisition devices. We also specialize in barcode reading and writing, supporting both 1D and 2D formats, including Datamatrix, QR-Code, Micro QR-Code, and PDF417. Our hyper-compression technology leverages mixed raster techniques, offering efficient content compression through Color Detection, JBIG2, and JPEG 2000 methods. Furthermore, we provide support for over 100 document formats, allowing users to view and convert documents with ease. Our Optical Character Recognition (OCR) technology allows for the extraction of text and MICR characters from scanned images, while our form and template recognition capabilities ensure accurate automatic document recognition and forms processing. Users can also annotate their documents using a variety of tools, both online and offline, enhancing collaboration and productivity in document management. Overall, our solutions are designed to meet the diverse needs of modern document workflows.

This document and image cleanup and processing toolkit allows developers the ability to quickly integrate document handling functions such as image manipulation, compression, manipulation, manipulation, manipulation, editing, manipulation, compression and image enhancement into their applications. ImageGear allows your application to clean up files such as deskew, line, and speckle removal, among others. ImageGear's color-processing tools can be used to improve image quality and reduce compressed file sizes. This SDK for image processing and document cleaning includes many APIs that allow image processing and clean-up. ImageGear can help you add functionality to your applications. Learn how ImageGear can meet all of your document lifecycle requirements. This PDF SDK allows.NET developers add robust PDF functionality to their applications. Users can view, annotate and compress pages. Discover all the PDF manipulation capabilities of ImageGear PDF and how it can enhance your application.

PDF Editify offers a range of tools to fill out, edit, sign, and create PDF forms. It is designed for accessibility and ease of use. Key Features Fill out PDF forms online Edit existing PDF documents Add digital signatures in PDFs OCR can convert scanned PDFs into searchable documents Redact sensitive information Create fillable PDF forms Use Cases Filling out job applications and official forms Editing business documents on the go Signing contracts and agreements digitally Protecting sensitive data when sharing documents Create custom forms for surveys and data collection

Looking to redact a PDF or image effortlessly? Our open-source PDF redaction tool is completely free and user-friendly. You can manually black out any sensitive text in an instant without needing to sign up or worry about hidden charges. For quicker results, utilize our AI-driven auto-redaction feature, which identifies and removes sensitive information automatically from your documents. We ensure your files are processed securely, with all uploads being temporarily handled and deleted post-redaction. There's no need for Adobe software. Give it a try today at no cost and discover the simplest method for redacting PDFs online. You'll be impressed by how easy it is!

Files are transmitted through a secure, encrypted channel, ensuring their safety throughout the process. Once the files have been handled, they are completely erased from the system. For images, they are enhanced and saved at a JPEG quality setting of 65%, which is generally suitable for a variety of uses. However, if you require higher quality, there is an option to adjust the settings for better image resolution, though this may result in larger PDF file sizes. Files are consistently secured during upload and maintained in a protected state until they are permanently eliminated after processing.