![Greasemonkey](https://addons.mozilla.org/user-media/addon_icons/0/748-64.png?modified=1531822767)
Greasemonkey
Customize the way a web page displays or behaves, by using small bits of JavaScript.
What is Greasemonkey?
Stats
- <all_urls>
- clipboardWrite
- cookies
- downloads
- notifications
- storage
- tabs
- unlimitedStorage
- webNavigation
- webRequest See more
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
- Good extension
- Enhances business portfolio
Cons
- Lack of update
- Compatibility issues with Firefox updates
Most mentioned
- Compatibility issues with Firefox updates
- Useful
- Good extension
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.