Turn large WAV files into compact MP3. WAV to MP3 runs on your device with ffmpeg.wasm, so nothing is uploaded.
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.