Tools / Create / YouTube Shorts Resizer
Create Runs in browser
YouTube Shorts Resizer.
Reframe to vertical 1080×1920 for Shorts.
Processed locally — no upload. YouTube Shorts Resizer runs entirely in your browser. Large files use more memory and processing time depends on your device. Re-encoded video is exported as WebM here (MP4 requires cross-origin isolation, e.g. a production deploy in Chrome/Firefox).
Drop your video here
or click to browse — MP4, WebM, MOV, MKV, M4V
Files stay on your device · nothing is uploaded
Settings
Load a video to configure youtube shorts resizer.
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? YouTube Shorts Resizer FAQ
No. The file is processed locally with the File and Canvas APIs. There is no server upload.
In this browser, re-encoded video is WebM; MP4 needs cross-origin isolation (a production deploy in Chrome/Firefox). Images are PNG and audio is WAV or MP3.
The default engine captures frames in real time for accuracy. The FFmpeg engine is faster where available.