axe DevTools® - Web Accessibility Testing Firefox

Download axe DevTools® - Web Accessibility Testing

Download axe DevTools® - Web Accessibility Testing (current and past versions) for Firefox
Latest Version: 4.117.1 Updated: 8 months ago

Ready to install?

axe DevTools® - Web Accessibility Testing is available to install from Firefox Add-ons Store and for download from this page.
View source code
10,340
Daily users
4.2
54 ratings
1
Total downloads

Available versions

You can find the current and older versions of axe DevTools® - Web Accessibility Testing here. You can download the archived versions or inspect their source codes.

As a free user, you can download up to 3 latest versions.
Upgrade to download older versions
VersionDownloadSizeDownload countTimestamp
4.117.1XPI · ZIP · Source code2.53MB02025-11-13
4.111.0XPI · ZIP · Source code2.43MB12025-07-01
4.105.0XPI · ZIP · Source code2.38MB02025-05-06
4.94.1Paid users only1.75MB02024-10-22
4.86.0Paid users only1.44MB02024-08-29
4.85.0Paid users only1.44MB02024-08-14
4.83.0Paid users only1.43MB02024-07-11
4.80.1Paid users only1.33MB02024-05-15
4.78.1Paid users only1.33MB02024-04-05
4.69.0Paid users only2.07MB02023-12-12
4.63.0Paid users only2.01MB02023-09-15
4.55.0Paid users only1.52MB02023-05-04
4.49.0Paid users only1.50MB02023-02-08
4.48.0Paid users only1.50MB02023-01-27
4.36.2Paid users only1.38MB02022-08-29
4.35.0Paid users only1.38MB02022-08-18
4.33.2Paid users only1.38MB02022-08-03
4.32.0Paid users only1.37MB02022-07-20
4.117.1 2.53MB
2025-11-13 · 0 downloads
XPI ZIP Source code
4.111.0 2.43MB
2025-07-01 · 1 downloads
XPI ZIP Source code
4.105.0 2.38MB
2025-05-06 · 0 downloads
XPI ZIP Source code
4.94.1 1.75MB
2024-10-22 · 0 downloads
Paid users only
4.86.0 1.44MB
2024-08-29 · 0 downloads
Paid users only
4.85.0 1.44MB
2024-08-14 · 0 downloads
Paid users only
4.83.0 1.43MB
2024-07-11 · 0 downloads
Paid users only
4.80.1 1.33MB
2024-05-15 · 0 downloads
Paid users only
4.78.1 1.33MB
2024-04-05 · 0 downloads
Paid users only
4.69.0 2.07MB
2023-12-12 · 0 downloads
Paid users only
4.63.0 2.01MB
2023-09-15 · 0 downloads
Paid users only
4.55.0 1.52MB
2023-05-04 · 0 downloads
Paid users only
4.49.0 1.50MB
2023-02-08 · 0 downloads
Paid users only
4.48.0 1.50MB
2023-01-27 · 0 downloads
Paid users only
4.36.2 1.38MB
2022-08-29 · 0 downloads
Paid users only
4.35.0 1.38MB
2022-08-18 · 0 downloads
Paid users only
4.33.2 1.38MB
2022-08-03 · 0 downloads
Paid users only
4.32.0 1.37MB
2022-07-20 · 0 downloads
Paid users only

Install XPI file

An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.
  • Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

  • Download the axe DevTools® - Web Accessibility Testing ZIP file.
  • In Firefox browser, go to about:addons to open Add-ons Manager
  • Click on ⚙, Install Add-on From File
  • Select the axe DevTools® - Web Accessibility Testing ZIP file from step 1. axe DevTools® - Web Accessibility Testing is now installed on your browser.

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