Audio Converter
Convert between any audio formats — right in your browser. No upload, no server.
How it works
Upload your audio file
Drag and drop or click to select any audio file. Supports MP3, WAV, FLAC, M4A, AAC, OGG, and OPUS formats.
Choose output format
Select the source and target formats, then pick the quality. For MP3 choose 128, 192, or 320 kbps.
Convert and download
Click Convert — the file is processed entirely in your browser using FFmpeg. Download the result instantly.
Frequently asked questions
What audio formats can I convert between?
You can convert between MP3, WAV, FLAC, M4A, AAC, OGG, and OPUS in any direction. All 42 combinations are supported.
Is my audio file uploaded to a server?
No. Everything happens locally in your browser using FFmpeg.wasm. Your file never leaves your device.
What quality should I choose for MP3?
128 kbps is fine for voice and podcasts. 192 kbps is the recommended balance for music. 320 kbps is the best quality for audiophiles.
Is it really free?
Yes, completely free. No account, no subscription, no hidden limits.
How long does conversion take?
Most files convert in a few seconds. Larger files (50 MB+) may take 30–60 seconds since everything runs in the browser.