How you fit compress video and turn am to MP4

Choose one MP4, MOV or WebM wey no pass 100 MB and 180 seconds. Choose 16 MB or 64 MB, then press Create MP4. Wait make we check di output size before you download am.

Quality and compatibility

Di output dey use H.264, AAC and yuv420p, with maximum width 1280 px and 30 fps. We fit reduce di video dimensions; HDR and multichannel audio fit change. Even if we support di container, no be every codec wey dey inside we go fit read.

Example wey you fit repeat

You fit turn 30-second 640 × 360 WebM wey get audio to MP4. Di 16 MB target mean say di output must no reach 16,000,000 bytes. Di app dey check di actual size before e let you download am.

Download test WebM (2.70 MB) · View MP4 output (2.39 MB). The sample wey we create get color patterns and one tone, no personal data; we test am for desktop Chromium on 23 October 2026.

If processing no work

Close other tabs, try smaller video or use computer wey get more memory. We no go accept video wey empty, don spoil, too long or get codec wey we no support. If you press Cancel am, processing go stop and your original file no go change.

Di engine go download about 32 MB di first time wey you use am. Your video no go leave di browser. How long processing go take depend on your device and how complex di video be.

Matching source and engine licence · ffmpeg.wasm documentation