25+ formats. 100% on-device. Images, video and audio — never leaves your browser.
Resize, re-encode and optimize — all with preserved metadata controls.
WASM ffmpeg runs in your browser. Full codec control, fast previews.
Transcode, change bitrate, trim silence — lossless options included.
Every combination is supported — all the conversion happens on your device using WebAssembly.
| Type | Read / Input | Write / Output | Lossless | Metadata |
|---|---|---|---|---|
| Image | JPG, PNG, WebP, AVIF, GIF, BMP, TIFF, HEIC | JPG, PNG, WebP, AVIF | EXIF preserved | |
| Video | MP4, WebM, AVI, MOV, MKV, FLV | MP4, WebM, MOV | — | Chapters kept |
| Audio | MP3, WAV, OGG, FLAC, AAC, M4A, OPUS | MP3, WAV, OGG, FLAC | ID3 tags kept |