To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!Close
Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
About this Add-on
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:
The Development Channel lets you test an experimental new version of this add-on before it's released to the general public. Once you install the development version, you will continue to get updates from this channel. To stop receiving development updates, reinstall the default version from the link above.
Caution: Development versions of this add-on have not been reviewed by Mozilla.
- Version 3.5beta3:
To create your own collections, you must have a Mozilla Add-ons account.
maintains and discloses information collected from users (each, a
the Application and all products and services offered by Greasemonkey.
Personal identification information
We do not collect personal identification information from Users.
Non-personal identification information
We may collect non-personal identification information about Users
whenever they interact with our Application. Non-personal identification
information may include the list and/or number of installed scripts,
the source they were obtained from, metrics describing usage of the
Application and User behavior and Telemetry, and other similar
How we use collected information
Greasemonkey may collect and use Users personal information for the following purposes:
- To improve our ApplicationWe may use feedback you provide to improve our products and services.
- UpdatesWe may use stored information in order to check for and/or install updates.
- SynchronizationWe may share collected information for the purpose of synchronization across devices, via the standard Firefox Sync feature.
How we protect your information
We adopt appropriate data collection, storage and processing practices and
security measures to protect against unauthorized access, alteration,
disclosure or destruction of your personal information and data stored
on our Site.
Sensitive and private data exchange between the Application and its Site happens
over a SSL secured communication channel and is encrypted and protected
with digital signatures.
Sharing your personal information
We do not sell, trade, or rent Users personal information to others. We
may share generic aggregated demographic information not linked to any
personal information regarding visitors and users with our business
partners, trusted affiliates and advertisers for the purposes outlined
above. We may publish aggregated statistics based on this information
do, we will post a notification on the main page of our Site, and revise
the updated date at the bottom of this page. We encourage Users to
frequently check this page for any changes to stay informed about how we
are helping to protect the personal information we collect. You
acknowledge and agree that it is your responsibility to review this
Your acceptance of these terms
By using this Application, you signify your acceptance of this policy. If
you do not agree to this policy, please do not use our Application. Your
continued use of the Application following the posting of changes to
this policy will be deemed your acceptance of those changes.
site, or your dealings with this site, please contact us at:
This document was last updated on November 7, 2012.