Add extra features and styles to make SeaMonkey your own.
Check out our Mobile Add-ons site.
Firesizer is licensed under the same license as Firefox itself -- Using a triple license of MPL 1.1, GPL 2.0 or later, and LGPL 2.1 or later.
To create your own collections, you must have a Mozilla Add-ons account.
Create an Add-ons Account
or log in to your current account
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