Video Resizer

Scale video by preset resolution, custom size, or percentage. Processed in your browser — never uploaded.

Click to choose a video, or drag it here

Supports MP4 / WebM / MOV / MKV, etc.

Max 2GB per file. Larger files process slowly.

First run downloads an ~30MB FFmpeg engine (then cached). Scaling re-encodes the video — please wait. All processing stays on your device.