CHEQ Developer Tools Firefox

Download CHEQ Developer Tools

Download CHEQ Developer Tools (current and past versions) for Firefox
Latest Version: 1.2.1 Updated: 4 months ago

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CHEQ Developer Tools is available to install from Firefox Add-ons Store and for download from this page.
View source code
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Available versions

You can find the current and older versions of CHEQ Developer Tools 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
1.2.1XPI · ZIP · Source code2.97MB02026-03-23
1.2.0XPI · ZIP · Source code2.97MB02026-03-10
1.1.6.1XPI · ZIP · Source code2.97MB02026-01-26
1.1.6Paid users only2.92MB02026-01-21
1.1.5Paid users only2.35MB02026-01-14
1.1.4Paid users only2.36MB02026-01-06
1.1.3.1Paid users only2.36MB02025-12-11
1.1.3Paid users only2.36MB02025-12-03
1.1.2Paid users only2.35MB02025-09-02
1.2.1 2.97MB
2026-03-23 · 0 downloads
XPI ZIP Source code
1.2.0 2.97MB
2026-03-10 · 0 downloads
XPI ZIP Source code
1.1.6.1 2.97MB
2026-01-26 · 0 downloads
XPI ZIP Source code
1.1.6 2.92MB
2026-01-21 · 0 downloads
Paid users only
1.1.5 2.35MB
2026-01-14 · 0 downloads
Paid users only
1.1.4 2.36MB
2026-01-06 · 0 downloads
Paid users only
1.1.3.1 2.36MB
2025-12-11 · 0 downloads
Paid users only
1.1.3 2.36MB
2025-12-03 · 0 downloads
Paid users only
1.1.2 2.35MB
2025-09-02 · 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 CHEQ Developer Tools ZIP file.
  • In Firefox browser, go to about:addons to open Add-ons Manager
  • Click on ⚙, Install Add-on From File
  • Select the CHEQ Developer Tools ZIP file from step 1. CHEQ Developer Tools is now installed on your browser.

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