Convert MP3, WAV, FLAC, AAC, OGG, and M4A — all 10 audio converters run 100% in your browser using the Web Audio API. No upload, no signup, no watermark.
✓ No upload — files stay on your device✓ Free forever✓ Choose output bitrate
All conversions use the Web Audio API. WAV output is lossless PCM. MP3 output bitrate is selectable (128, 192, 256, 320 kbps).
Frequently Asked Questions
Converting to WAV produces lossless PCM output — quality is fully preserved. Converting to MP3 re-encodes at your chosen bitrate (128–320 kbps). Starting from a lossless source (WAV, FLAC) at 320 kbps gives excellent MP3 quality.
No. All processing happens locally in your browser using the Web Audio API. Your files never leave your device.
FLAC is lossless, so converting to MP3 will apply lossy compression. Choose 320 kbps for the best result — most listeners cannot tell the difference from lossless at this bitrate.
Use the MP4 to MP3 converter or the video tab — it extracts audio from MP4, MOV, AVI, MKV, and WebM files.