Watchmarker for Youtube
Automatically mark videos on Youtube that you have already watched.
Watchmarker for Youtube is available to install from Firefox Browser Add-ons and for download from this page. It has 2,761 active users The latest version is 4.7.0, and it was published 13 days ago.
Install from Firefox Browser Add-onsTotal download count: 0 (Only count downloads from Firefox-Stats)
All available versions
You can find the current and older versions of Watchmarker for Youtube here. You can download the archived versions or inspect their source codes.
As a free user, you can only download the latest version.
Upgrade to download older versions
| Version | Download | Size | Download count | Timestamp |
|---|---|---|---|---|
| 4.7.0 | XPI · ZIP · Source code | 431.84K | 0 | 2025-01-09 |
| 4.6.1 | Paid users only | 374.99K | 0 | 2024-02-04 |
| 4.5.1 | Paid users only | 374.30K | 0 | 2024-01-02 |
| 4.4.2 | Paid users only | 373.59K | 0 | 2023-10-12 |
| 4.4.1 | Paid users only | 373.56K | 0 | 2023-10-10 |
| 4.4.0 | Paid users only | 373.54K | 0 | 2023-10-10 |
| 4.3.1 | Paid users only | 373.49K | 0 | 2023-01-26 |
| 4.2.2 | Paid users only | 373.40K | 0 | 2022-11-09 |
| 4.2.1 | Paid users only | 373.39K | 0 | 2022-07-05 |
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 Watchmarker for Youtube ZIP file
- In Firefox browser, go to
about:addonsto open Add-ons Manager - Click on , then select Install Add-on From File
- Select the Watchmarker for Youtube ZIP file from step 1. Watchmarker for Youtube is now installed on your browser.