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- Ace by DAISY
On the recordRead 11 Oct 202624 facts
Ace by DAISY
Zurich, Switzerland
Plans and prices
Ace by DAISY
Free
Free, open source EPUB accessibility checker
Read 11 Oct 2026 · daisy.org
On the record
- Audience
- DAISY describes Ace as suitable for publishing teams, third party vendors, self publishing authors, and others testing EPUB files without digital rights management.daisy.org · read 11 Oct 2026
- Automated scans
- Yesdaisy.org · read 23 Sep 2026
- Automated tests
- Ace runs automated accessibility tests on EPUB content documents.daisy.org · read 11 Oct 2026
- Browser extension
- Nodaisy.org · read 23 Sep 2026
- CI/CD integration
- Yesdaisy.org · read 23 Sep 2026
- Current release
- The Ace documentation identifies version 1.4.6 as the latest version.daisy.github.io · read 11 Oct 2026
- Desktop app
- The official graphical app is available for Windows, macOS, and Linux, with installers for Intel and some ARM devices.daisy.github.io · read 11 Oct 2026
- Interfaces
- Ace can be used as a command line tool, a JavaScript Node module, or through an HTTP API.daisy.org · read 11 Oct 2026
- Knowledge base
- The desktop app provides links to a local offline version of the DAISY Knowledge Base and an option to open its online version.daisy.github.io · read 11 Oct 2026
- Languages
- The desktop app settings currently offer English and French.daisy.github.io · read 11 Oct 2026
- Maintenance terms
- DAISY’s software terms say it has no obligation to provide maintenance, support, or updates for the software.daisy.org · read 11 Oct 2026
- Manual review tools
- Yesdaisy.org · read 23 Sep 2026
- Mobile testing
- Nodaisy.org · read 23 Sep 2026
- Purpose
- Ace checks EPUB files for accessibility at any point in a publishing workflow and assists with evaluating conformance to the EPUB Accessibility Specification.daisy.org · read 11 Oct 2026
- Remediation guidance
- Yesdaisy.org · read 23 Sep 2026
- Report export
- The desktop app can export a report as a ZIP archive and rerun the evaluation.daisy.github.io · read 11 Oct 2026
- Reports
- Ace generates an HTML report covering violations, metadata, document outlines, and images.daisy.org · read 11 Oct 2026
- Security and privacy
- The command line documentation says Ace requires a modern Node.js runtime for security and performance reasons.daisy.github.io · read 11 Oct 2026
