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Ace by DAISY
daisy.org
Spec sheet
- Purpose
- Ace checks EPUB files for accessibility at any point in a publishing workflow and assists with evaluating conformance to the EPUB Accessibility Specification.Read 11 Oct 2026 · daisy.org
- Audience
- DAISY describes Ace as suitable for publishing teams, third party vendors, self publishing authors, and others testing EPUB files without digital rights management.Read 11 Oct 2026 · daisy.org
- Free plan
- YesRead 23 Sep 2026 · daisy.org
- Support
- DAISY provides Ace support resources, including troubleshooting, FAQs, and contact links.Read 11 Oct 2026 · daisy.github.io
- Headquarters
- Zurich, SwitzerlandRead 28 Sep 2026 · daisy.org
- Founded
- 1996Read 28 Sep 2026 · daisy.org
- Automated scans
- YesRead 23 Sep 2026 · daisy.org
- Automated tests
- Ace runs automated accessibility tests on EPUB content documents.Read 11 Oct 2026 · daisy.org
- Browser extension
- NoRead 23 Sep 2026 · daisy.org
- CI/CD integration
- YesRead 23 Sep 2026 · daisy.org
- Current release
- The Ace documentation identifies version 1.4.6 as the latest version.Read 11 Oct 2026 · daisy.github.io
- Desktop app
- The official graphical app is available for Windows, macOS, and Linux, with installers for Intel and some ARM devices.Read 11 Oct 2026 · daisy.github.io
- Interfaces
- Ace can be used as a command line tool, a JavaScript Node module, or through an HTTP API.Read 11 Oct 2026 · daisy.org
- 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.Read 11 Oct 2026 · daisy.github.io
- Languages
- The desktop app settings currently offer English and French.Read 11 Oct 2026 · daisy.github.io
- Maintenance terms
- DAISY’s software terms say it has no obligation to provide maintenance, support, or updates for the software.Read 11 Oct 2026 · daisy.org
- Manual review tools
- YesRead 23 Sep 2026 · daisy.org
- Mobile testing
- NoRead 23 Sep 2026 · daisy.org
- Remediation guidance
- YesRead 23 Sep 2026 · daisy.org
- Report export
- The desktop app can export a report as a ZIP archive and rerun the evaluation.Read 11 Oct 2026 · daisy.github.io
- Reports
- Ace generates an HTML report covering violations, metadata, document outlines, and images.Read 11 Oct 2026 · daisy.org
- Security and privacy
- The command line documentation says Ace requires a modern Node.js runtime for security and performance reasons.Read 11 Oct 2026 · daisy.github.io
- Technical requirements
- The command line tool requires Node.js 20 or later, with Node.js 22 recommended; its stated operating system requirements include Windows 10+, macOS High Sierra 10.13+, and 64-bit Linux distributions.Read 11 Oct 2026 · daisy.github.io
- WCAG coverage
- other standardRead 23 Sep 2026 · daisy.org
Plans and prices
Ace by DAISY Free Free, open source EPUB accessibility checker Read 11 Oct 2026 · daisy.org
Where Specifiction places it
- Accessibility Testing Software#52 of 1698.3
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