Download UONE2X (current and past versions) for Firefox
Latest Version:
0.3.7 Updated:
4 years ago Removed
Ready to install?
UONE2X is available for download. Be careful when installing it.
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Available versions
You can find the current and older versions of UONE2X 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 |
|---|---|---|---|---|
| 0.3.7 | XPI · ZIP · Source code | 517.77KB | 0 | 2022-11-12 |
| 0.3.5 | XPI · ZIP · Source code | 517.68KB | 0 | 2022-11-08 |
| 0.3.2 | XPI · ZIP · Source code | 517.38KB | 0 | 2020-10-16 |
0.3.7 517.77KB
0.3.5 517.68KB
0.3.2 517.38KB
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 UONE2X ZIP file.
- In Firefox browser, go to
about:addonsto open Add-ons Manager - Click on ⚙, Install Add-on From File

- Select the UONE2X ZIP file from step 1. UONE2X is now installed on your browser.
Best UONE2X Alternatives
Here are some Firefox add-ons that are similar to UONE2X: