In‑Browser Transcoder

Core: not loaded

Drag & drop a media file here, or

📁 Choose File

🎬 MP4, WebM, MOV, MKV 🎵 MP3, WAV, AAC, OGG, FLAC Max limited by your RAM/CPU

Preset

Output Name

Advanced (optional ffmpeg args)

If provided, these flags are appended to the selected preset.

Console

No file yet

Tip: First click Load Core to pre‑warm ffmpeg.wasm (faster for large files).