All in one browser extension for Scratch

Scratch Addons is a browser extension that provides new features and themes for the Scratch website and project editor. It has a mission to collect, archive, and put into use userstyles and userscripts, developed by several members of the Scratch community.



Scratch Addons consists of addons, which are features that can empower your Scratch website and editor experience.


Scratch Addons has an easy-to-use interface to control various settings of each feature and theme.


Not just English. Scratch Addons is available in Spanish, Russian, Japanese, French, and many more.

Open source

Scratch Addons is free, open source, and built by a community of Scratchers.


Remember, these are just the highlights. There's more!

Scratch Messaging
Scratch Messaging

The "grandfather" of Scratch Addons. It is available when clicking the Scratch Addons icon, and provides easy reading and replying to your Scratch messages: groups messages by project, shows full comment text and context, allows direct comment replying.

Scratch Notifier
Scratch Notifier

It adds browser notifications on new Scratch messages. You can click the notification to go straight to the message (comment, project, etc.)

Developer tools
Developer tools

From the original extension. It adds a find box and new menu options to the editor: copy/paste blocks, better tidy up, go to custom block definition, and more!


Satisfied? Don't hesitate to install it now!

Chrome Firefox

...or download it from GitHub or install it from the source.