Scratch Help Center

The online version of Scratch should run on most browsers and operating systems.  That being said, the Scratch Team only maintains Scratch to ensur...

If you are interested in how Scratch works you can look directly at the code.  It's organized into several open-source repositories which you c...

We’ve found that sometimes ad blockers and other web browser extensions interact strangely with our site.  Try turning off browser extensions, esp...

Adobe Air, a tool on which the Scratch 2.0 offline editor was built, does not work on any version of MacOS newer than version 10.15 (Catalina). This is out ...

To keep you signed in as you move around the site, Scratch uses cookies: small pieces of data we give to your browser. If you find that you become signed ou...

There is a bug with the Mac App Store version of the app that affects certain Macs that are a few years old.  The stage doesn't appear, or appe...

If you click a link to view someone's Scratch project and receive an error message (like "Oops! The Server is Scratch'ing its head"), the ...

We've noticed that occasionally when teachers have several classes and they create a new studio for their classes, all of the studios end up in just one...

Currently, Scratch Link is not able to communicate with Safari browsers. We are working on a fix for this issue and hope to release it in Spring 2022. In th...