Free Online Audio Converter
Convert audio between MP3, WAV, OGG, M4A, and FLAC. Batch convert many files at once, entirely in your browser.
Drop your audio here
MP3, WAV, OGG, M4A, FLAC, and more, multiple files supported
Output Format
Why use our Audio Converter?
Five Formats Supported
Convert to MP3, WAV, OGG, M4A, or FLAC, covering nearly every use case from web playback to lossless archiving.
Any Input
MP3, WAV, OGG, M4A, AAC, FLAC, WMA, OPUS, AIFF, and more. If FFmpeg can decode it, it converts.
Batch Convert Multiple Files
Drop in as many audio files as you need and convert them all to the same format in one pass.
100% Private
Your files never leave your device. Every conversion runs locally in your browser, so nothing is uploaded, stored, or seen by anyone.
Quality Encoding
MP3 uses LAME VBR quality 2, OGG uses Vorbis quality 5, M4A uses AAC at 192 kbps, and WAV and FLAC are lossless.
No Sign-up Required
Open the page and start converting. No account, no email, no install, no watermark.
Frequently asked questions
Is my audio uploaded to a server?
No. Conversion runs entirely in your browser using a WebAssembly build of FFmpeg.
Which format should I choose?
MP3 for general use and smaller files, WAV for uncompressed quality, OGG for open-format web use, M4A for Apple devices, and FLAC for lossless archiving.
Can I convert several files at once?
Yes. Drop in multiple files and choose one output format. They all convert to it in one pass.
What input formats work?
Anything FFmpeg can decode: MP3, WAV, OGG, M4A, AAC, FLAC, WMA, OPUS, AIFF, and most others.
Is this converter free?
Yes. It is free to use with no sign-up, no account, and no watermark on your files.
Every converter, in one place.
63 converters. All run in your browser: no sign-up, no uploads, nothing stored.
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