REST Client Firefox

Download REST Client

By: Cyzy
Download REST Client (current and past versions) for Firefox
Latest Version: 8.7 Updated: 3 months ago Removed

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REST Client is available for download. Be careful when installing it.
View source code
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Available versions

You can find the current and older versions of REST Client 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
8.7XPI · ZIP · Source code14.75KB02026-04-14
1.0.0XPI · ZIP · Source code14.75KB02026-03-12
8.7 14.75KB
2026-04-14 · 0 downloads
XPI ZIP Source code
1.0.0 14.75KB
2026-03-12 · 0 downloads
XPI ZIP Source code

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 REST Client ZIP file.
  • In Firefox browser, go to about:addons to open Add-ons Manager
  • Click on ⚙, Install Add-on From File
  • Select the REST Client ZIP file from step 1. REST Client is now installed on your browser.

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