Welcome to TestTube, our ideas incubator. This is where YouTube engineers and developers test out recipes and concoctions that aren't quite fully baked and invite you to tell us how they're coming along.
Your comments will help us improve and perfect the mixtures we're working on. So jump in, play around, and send your feedback directly to the brains behind the scenes.
Sit back, relax, and let YouTube entertain you with a personalized stream of videos.
Hint: Pressing F11 in most browsers will enable you to enjoy YouTube Leanback in full-screen mode.
Try it out |
Watch the demo
| Feedback?
Discover what different audiences like doing on YouTube.
Add captions and subtitles to your YouTube videos with interactive caption editor.
* need Google account linked with YouTube account (Learn more)
Try it out
| Feedback?
Make playlists and discover new artists and music videos.
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