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Video Resizer
Scale a video to a chosen maximum width and export a compatible MP4.
How to use Video Resizer
- Choose a video or audio file from your device.
- Set the output options and start processing.
- Download the converted file, or cancel to stop processing.
What to expect
The original aspect ratio is preserved, and smaller videos are not enlarged. This resizes dimensions; it does not crop a landscape video into a portrait composition.
Limits and privacy
One file up to 100 MB. Best for short clips on desktop. A processing engine of about 32 MB loads on first use. Files stay on your device.
Common questions
Does conversion upload my recording?
No. The conversion engine runs locally in your browser. The engine is downloaded from this site, but your file is not sent to a server.
Why can conversion take a while?
Encoding uses your device’s processor and memory. Long clips, large dimensions, and mobile devices take longer. Keep the tab open and try a shorter clip if memory runs out.