Change any audio file into the format you need without sending it anywhere. Audio Converter runs entirely in your browser using ffmpeg.wasm: turn MP3 into WAV, M4A into MP3, or export to OGG and FLAC — all processed locally on your device. Fast, private and free.
Your data is processed entirely in your browser. Nothing is uploaded to any server.
Yes, all audio tools on Offline ToolHub are free.
No. Audio is processed locally in your browser with Web Audio and ffmpeg.wasm.
MP3, WAV, M4A, OGG and FLAC, depending on the tool.
No signup required.