By: 13WIN
Download Optimizely Inspector Pro (current and past versions) for Firefox
Latest Version:
3.1 Updated:
10 months ago Removed
Ready to install?
Optimizely Inspector Pro is available for download. Be careful when installing it.
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Available versions
You can find the current and older versions of Optimizely Inspector Pro 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
| Version | Download | Size | Download count | Timestamp |
|---|---|---|---|---|
| 3.1 | XPI · ZIP · Source code | 615.80KB | 0 | 2025-08-03 |
3.1 615.80KB
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 Optimizely Inspector Pro ZIP file.
- In Firefox browser, go to
about:addonsto open Add-ons Manager - Click on ⚙, Install Add-on From File

- Select the Optimizely Inspector Pro ZIP file from step 1. Optimizely Inspector Pro is now installed on your browser.
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