Some TikTok users are starting to see a new full-screen button on square and rectangular videos. The button, is similar to the one on YouTube. It will shifts the TikTok video into a horizontal full-screen mode. This is something TikTok is testing.
Creators who are selected for the test can now create a single video that’s optimized for both YouTube and TikTok saving them time if they want to post their video to both platforms.
TikTok expanded its maximum video length to 10 minutes earlier this year.
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