Resize a video for social
Reshape a video for Reels, Stories, TikTok, Shorts, square posts or YouTube.
How to use it
- Choose your videos.
- Pick a shape, and whether to fill the frame or show everything with black bars.
- Click Resize video, then save.
Questions
Fill or show everything?
Fill crops the edges so the video covers the whole frame. Show everything keeps the full picture and adds black bars.
Is my file uploaded?
No. Everything happens on your device, so it never leaves your phone or computer.
Which browsers work?
Chrome, Edge and Safari (on iPhone, iOS 26 or later). Firefox on Android can’t edit video yet.
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