Tampermonkey

Name: Tampermonkey
Availability: InStock
Rating: 4.6958 (5277 reviews)
Author: Jan Biniok

Tampermonkey is the world's most popular userscript manager.

Jan BiniokJun 17, 2026Chrome Web Store

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About

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: <a rel="nofollow" href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/223ce4cf99e339f865a5903447b91155afab5548a290924b84512a1f2ed5e583/https%3A//tampermonkey.net/%3Fbrowser=firefox">https://tampermonkey.net/?browser=firefox</a>

Permissions & Privacy

Impact: 4.0Likelihood: 1.0Medium risk

Permissions (7)

permission-tabspermission-all-sitespermission-web-requestpermission-historypermission-clipboardpermission-notificationspermission-downloads

Cross-platform availability

chrome-statsv5.5.0

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4.7

5,277 CWS ratings

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Tampermonkey

Screenshots

About

Permissions & Privacy

Cross-platform availability

Reviews

Discussion

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