Greasemonkey
Customize the way a web page displays or behaves, by using small bits of JavaScript.
What is Greasemonkey?
Stats
Chrome-Stats Rank
Other platforms
Summary
Allows you to customize the way a web page displays or behaves, by using small bits of JavaScript.
You can write your own scripts, too. Check out http://wiki.greasespot.net/ to get started. Many scripts already exist, probably ones to enhance your favorite sites. Find them at http://wiki.greasespot.net/User_Script_Hosting .
Having trouble? Please don't post comments here, nobody will see them. If you need help, please read: http://wiki.greasespot.net/Greasemonkey_Manual:Getting_Help
User reviews
User reviews summary
Pros
- Useful
- Indispensable
- Good extension
Cons
- No recent updates
- Compatibility issues
- UI broken on Firefox 119.0 (64-bit)
Most mentioned
- No recent updates
- Compatibility issues
- UI broken
Recent reviews
Safety
Risk impact
Greasemonkey is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install Greasemonkey if you trust the publisher.
Risk likelihood
Greasemonkey has earned a fairly good reputation and likely can be trusted.