
Tampermonkey by Jan Biniok
Tampermonkey is the world's most popular userscript manager.
766,496 Users766,496 Users
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About this extension
Tampermonkey is the most popular userscript manager, with over 10 million weekly users. It's available for Chrome, Microsoft Edge, Safari, Opera Next and Firefox.
Tampermonkey makes it very easy to manage your userscripts and provides features like a clear overview over the running scripts, a built-in editor, ZIP-based import and export (Google Drive, Dropbox, OneDrive), automatic update checks and also browser and cloud storage based synchronization. And finally it's compatible to Greasemonkey up to version 3.x with experimental 4.x support.
Note: If you want to install the more often updated BETA version, then you can get it from here: https://tampermonkey.net/?browser=firefox
Tampermonkey makes it very easy to manage your userscripts and provides features like a clear overview over the running scripts, a built-in editor, ZIP-based import and export (Google Drive, Dropbox, OneDrive), automatic update checks and also browser and cloud storage based synchronization. And finally it's compatible to Greasemonkey up to version 3.x with experimental 4.x support.
Note: If you want to install the more often updated BETA version, then you can get it from here: https://tampermonkey.net/?browser=firefox
Rated 4.7 by 5,199 reviewers
Permissions and dataLearn more
Required permissions:
- Input data to the clipboard
- Download files and read and modify the browser’s download history
- Display notifications to you
- Access browser tabs
- Access browser activity during navigation
- Access your data for all websites
More information
- Add-on Links
- Version
- 5.4.0
- Size
- 1.6 MB
- Last updated
- a month ago (Sep 15, 2025)
- Related Categories
- License
- All Rights Reserved
- Privacy Policy
- Read the privacy policy for this add-on
- End-User License Agreement
- Read the license agreement for this add-on
- Version History
- Add to collection