Log in
Preview of Tampermonkey

Tampermonkey by Jan Biniok

Tampermonkey is the world's most popular userscript manager.

You’ll need Firefox to use this extension
Download Firefox and get the extension
Download file
505,621
Users
3,888
Reviews
4.7 Stars
5
3,388
4
226
3
69
2
31
1
174
Screenshots
Tampermonkey's built-in editor
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
Rate your experience
How are you enjoying Tampermonkey?

Star rating saved

Report this add-on for abuse

If you think this add-on violates Mozilla’s add-on policies or has security or privacy issues, please report these issues to Mozilla using this form.

Please don’t use this form to report bugs or request add-on features; this report will be sent to Mozilla and not to the add-on developer.

PermissionsLearn more

This add-on needs to:

  • Input data to the clipboard
  • Download files and read and modify the browser’s download history
  • Display notifications to you
  • Access browser tabs
  • Store unlimited amount of client-side data
  • Access browser activity during navigation
  • Access your data for all websites
More information
Add-on Links
Version
4.17.6161
Size
1.4 MB
Last updated
2 months ago (May 10, 2022)
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
Release notes for 4.17.6161
General:
Fix issues with heavily increased page loading time caused by some scripts or @requires

UI:
Allow drag and drop inside the editor again

Locales:
Update Chinese (traditional) translation | thanks to SiderealArt
Update Italian translation | thanks to bovirus
Update Danish translation | thanks to will2022
More extensions by Jan Biniok