Koa11y Koala Logo Koa11y

Koa11y is a desktop app that allows you to automatically detect accessibility (a11y) issues on webpages. View sample report generated by Koa11y. Koa11y is free and completely open source.

Screenshot of the Koa11y software running.

System Requirements:

  • 130-170MB of available disk space (depending on OS)
  • 120MB-200MB of available memory (depending on OS)
  • Windows XP, Vista, 7, 8, and 10.
  • OSX 10.6 and above (64-Bit only).
  • Ubuntu 12+. Zorin 9+. Debian 8+. Other Linux versions, especially Debian based, may work but are not officially supported.

Koa11y Sticker

Get a Koa11y sticker for your laptop. All profits go to the designer of the icon, Charlotte Schmidt.

Koa11y was created using Pa11y, UGUI, and NW.js.


Download for Linux
32-Bit64-Bit
List of all Koa11y releases available to download.
Version Download Size Released Downloads
This displays the relative amount of downloads per OS as a bar graph.
Windows Linux OSX

The Koa11y project was created as part of the Open Indy Brigade's Civic UX Group.

Log bugs and feature requests for Koa11y on the GitHub issues page.

View source on GitHub