Video Aspect Ratio Resizer

Media Pro

Reframe videos to 9:16, 1:1, or 16:9 with blur-fill, center crop, or letterbox — Shorts-ready Canvas export with WebM/MP4. 100% in-browser.

100% client-side

Drop video file

Reframe to 9:16, 1:1, 16:9 — blur-fill, crop, or letterbox

100% client-side Canvas + MediaRecorder — reframe landscape clips to 9:16 Shorts with blur-fill, center-crop for full-bleed, or letterbox fit. MP4 uses ffmpeg.wasm after WebM capture.