Welcome to the Mozilla Demo Studio, where developers like you can develop, share, demonstrate, and learn all about Web technologies. See what's possible by exploring Demo Studio:
The File API allows web developers to use file objects in web applications, as well as selecting and accessing their data.
Play with your own image to resolve the Crop Puzzle.
Displays image files and allows to sort them
Shared drawing board with several tools
To encode and decode image message
grrd’s Puzzle is a HTML5 jigsaw puzzle game.
Online photo editor
ZIP archiver in pure JS
Play 4 connect alone or two player (Version2)
A spining processing demo
Drop your music directly from your desktop to this player
Awesome web IDE
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