Try out our new animation editing tools in Developer Tools Challenger
The more you know about the web, the easier it is to make it your own. Participate in the web by testing your web literacy skills using the new tools in Firefox Developer Edition.
Dev Tools requires Firefox Developer Edition desktop browser. To try this task, download Firefox Developer Edition first.
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Go to Dev Tools Challenger
Visit Dev Tools Challenger
Get involved
Join the Webdev Contribute Group and start collaborating with other Mozillians around the world.