Best Free PDF Accessibility & Remediation Software of 2026

The PDF accessibility and remediation service is an optional feature of All in One Accessibility®, designed to enhance digital documents for individuals using screen readers, keyboard navigation, and various assistive technologies. This service provides a comprehensive evaluation, remediation, and re-evaluation process to eliminate obstacles found in reports, manuals, brochures, forms, and educational content. The remediation process addresses key elements such as document tagging, heading hierarchy, reading order, alternative text for images, table structures, form fields, navigation aids, color contrast, language settings, and metadata. Additionally, expert reviews ensure compliance with WCAG 2.0, 2.1, and 2.2, PDF/UA, as well as relevant ADA, Section 508, AODA, and EAA EN 301 549 standards. Clients can choose between AI-assisted processing and manual remediation, with support for over 190 languages, bulk document projects, customizable white-label delivery, and detailed accessibility reports. To assist organizations in assessing the quality of remediation, a complimentary sample of up to five pages is offered prior to committing to larger projects.

UserWay is a pioneer in AI-powered web accessibility technologies designed to dismantle digital accessibility barriers, Their suite of accessibility solutions assist over 60 million users with disabilities daily as they help to make every digital touchpoint intuitive and inclusive. By bringing a distinct blend of legal, accessibility, and technical expertise together, UserWay’s digital accessibility compliance products support continuous adherence to accessibility laws and guidelines, such as WCAG 2.2, ADA, EN 301-549, and Section 508. Beyond their state-of-the-art Accessibility Widget, UserWay's Accessibility Plugin adds accessibility into websites on platforms like Shopify, Wix, and WordPress with native integration. Their Accessibility Scanner automates violation detection and Accessibility Audits provide remediation in real-time. Find out why millions trust UserWay for their digital accessibility and compliance needs.

Venngage is the easy design platform that brings dull data, dry documents and complex information to life. Access a library of engaging visual communication templates, created by our expert in-house designers, to create powerful visuals. You don’t need any design experience! With our simple drag and drop editor, video tutorials and courses, videos and courses, you’ll be creating stunning designs in minutes. Venngage has a wide range of templates perfect for business and professional communications including infographics, charts, reports, diagrams, mind maps, presentations, and more so that you can impress your boss, your clients, prospects and online audience.

Ordecto offers a web-based platform for checking and fixing PDF accessibility, tailored for agencies, accessibility professionals, and internal document teams. It allows users to modify essential document elements such as tags, reading order, headings, lists, tables, figures, hyperlinks, and form-field labels while also providing suggestions for image descriptions. Users have the ability to assess issues and obtain a corrected PDF along with a validation report, ensuring that the original uploaded document remains untouched. The tool evaluates PDFs according to the PDF/UA-1 and WCAG 2.2 standards, pinpointing areas that may require further human assessment, acknowledging that automated checks should not be seen as an absolute assurance of accessibility. The basic checking service is offered free of charge, while a monthly quota is available for repairs. This product is designed to support teams involved in the creation, remediation, or evaluation of accessible PDFs across various sectors, including government, educational institutions, and the publishing industry, providing a comprehensive solution for diverse workflows. Additionally, Ordecto empowers users to enhance the accessibility of their documents, contributing to a more inclusive digital environment.

pdfGoHTML significantly enhances the efficiency of developing and assessing tagged PDFs while greatly improving the usability of these files. With just a single click on the plug-in button, users can transform tagged PDFs into HTML, facilitating a closer look at the tagging framework, offering a more adaptable reading experience, and making documents accessible for individuals with visual impairments or dyslexia. This free Acrobat plug-in, compatible with Acrobat DC Standard and Pro, converts tagged PDF files into HTML and adheres to PDF/UA standards. It highlights areas where the tagging structure of the PDF can be improved, ensuring a more user-friendly experience. Upon opening a PDF document, pdfGoHTML promptly reveals whether the file contains tags and provides a straightforward conversion option to view it in the default web browser. Additionally, users have the flexibility to adjust the display settings of the HTML to better suit their individual preferences and requirements, making the tool even more versatile.

EasyAccessPDF is an online service designed to help organizations and professionals assess and improve the accessibility of their PDF documents. Users have the option to upload either digital or scanned PDFs to undergo an accessibility assessment, with a complimentary check that identifies issues; additionally, an optional automated tagging feature creates a remediated file along with a verification report for a fee charged per document. This service uses veraPDF to evaluate compliance with PDF/UA accessibility standards and facilitates workflows that include screen-reader tagging while adhering to WCAG, Section 508, and European accessibility guidelines. Each document can have a maximum of 200 pages, making it suitable for various users, including publishers, educational institutions, public-sector teams, businesses, and developers focused on creating accessible PDFs for websites and compliance needs. All processing occurs within the EU, ensuring data protection, and uploaded files are securely deleted within a 24-hour timeframe. This combination of features makes EasyAccessPDF a valuable tool for anyone committed to enhancing PDF accessibility.

Normfluss serves as a platform designed to enhance document accessibility by assessing, correcting, and validating the compliance of PDF files. Its complimentary assessment evaluates any PDF against the standards of PDF/UA-1 as well as the relevant sections of WCAG 2.1 and 2.2, providing a detailed report on which criteria are met and which are not. When users opt for remediation, Normfluss automatically addresses issues that can be fixed by machines, while also assisting a human reviewer with subjective aspects like image descriptions and reading order, culminating in a cryptographically signed record that documents what was tested and what remains non-compliant. The platform guarantees that it will not declare a document as conformant unless both the machine-checkable components are satisfactory and all human-evaluated criteria have been verified. All processing activities are conducted on infrastructure located within the EU, utilizing self-hosted models to ensure that documents are never transmitted to any external AI service. Normfluss is widely adopted by various organizations involved in document publication that are required to adhere to accessibility regulations, including councils, universities, banks, transport providers, and publishing houses. This robust platform ensures that all users can reliably achieve compliance with accessibility standards in their published materials.