MP4 to WebM
Converti video MP4 in WebM per uso web
Drop a video/mp4 video
🔒 Files never leave your device
⚡ Uses FFmpeg WebAssembly. First run downloads ~30 MB (cached after). Encoding takes roughly 1–5× the video's duration.
Come funziona
- 1Upload your video
Drop or select a video file.
- 2Configure options
Choose the settings that fit your use case.
- 3Download
Save the processed video to your device.
Che cos'è MP4 to WebM
Converti video MP4 in WebM nel browser con FFmpeg-wasm. Ideale per embed web con file più piccoli.
Per il lavoro, per lo studio o per uso personale - questo tool è gratis quante volte vuoi. Niente watermark, niente sign-up, niente ads nei tuoi documenti.
Domande frequenti
Are my videos uploaded?
Never. Processing runs entirely in your browser using FFmpeg WebAssembly.
Why is it slow?
Video encoding is CPU-heavy. Expect roughly 1–5× the video's duration for encoding. First-time load also downloads ~30 MB of FFmpeg (cached after).
What's the file size limit?
Depends on your device's memory. Files up to ~1 GB usually work; multi-GB files may crash the tab.
Leggi altro
GIF vs MP4 vs WebM: which format for looping video on the web?
GIFs are 25 years old, everyone knows what they are, and they're objectively the worst option for looping video on the web today. Here's why, and what to use instead.
How to compress video for email, web, and social - without losing quality
Gmail caps attachments at 25 MB. Discord at 25 MB. WhatsApp at 16 MB. Here's how to get any video under those limits while keeping it watchable.
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