Audio to MP3 — Convert Free Online
Convert your audio files to MP3 format with adjustable quality. Instantly. No sign-up required.
How to convert to mp3
- 1Upload your audio file using the drop zone above
- 2Choose your preferred quality level
- 3Click "Convert to MP3" to start the conversion
- 4Download your MP3 file
About This Tool
MP3 is the most universally supported audio format. Our free convert to mp3 tool transforms WAV, OGG, FLAC, AAC, M4A, and WMA files into high-quality MP3s that play everywhere — phones, computers, car stereos, and web browsers.
Choose from four quality levels to balance file size and audio fidelity. Higher bitrates (256-320 kbps) are ideal for music, while lower bitrates (128 kbps) work well for speech and podcasts.
Everything runs in your browser via FFmpeg.wasm. Your audio files are never uploaded to any server, keeping your content completely private. No watermarks, no daily limits, no account required.
Frequently Asked Questions
You can convert WAV, OGG, FLAC, AAC, M4A, and WMA files to MP3. These cover the vast majority of audio formats in use today.
For music, 256 or 320 kbps gives near-CD quality. For podcasts and speech, 128 kbps is plenty. 192 kbps is a good all-around choice that balances quality and file size.
Yes. FLAC is lossless and MP3 is lossy, so some audio data is discarded. However, at 256 kbps or higher, most people cannot hear the difference in normal listening conditions.
No. All conversion happens locally in your browser using WebAssembly. Your files never leave your device.
There is no hard limit. Processing happens in your browser, so performance depends on your device. Audio files are typically small enough to convert without issues.