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Audio Converter

Convert between MP3, WAV, FLAC, OGG

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Drag & drop your files

or click the button below

Accepted: MP3, WAV, OGG, FLAC, AAC, M4A

⚡ How it works: Audio conversion runs entirely in your browser using FFmpeg. The first conversion downloads ~30MB of processing engine — subsequent conversions are instant.
Note: All processing is done in your browser using FFmpeg WebAssembly. No files are uploaded to our servers.

How to use Audio Converter

  1. 1Upload your audio file (MP3, WAV, FLAC, OGG, etc)
  2. 2Choose your desired output format
  3. 3Optionally adjust quality settings
  4. 4Click Convert - processing happens in your browser
  5. 5Download your converted audio instantly

Tips & Best Practices

  • •MP3 is most compatible but lower quality
  • •FLAC is lossless - perfect for archiving
  • •WAV is standard for professional audio
  • •OGG is good for web (smaller than MP3 at same quality)

Frequently Asked Questions

What's the best format?

It depends: MP3 for broad compatibility, FLAC for archiving, OGG for web, WAV for editing.

Will audio quality change?

MP3/OGG: slight quality loss. FLAC/WAV: no quality loss.

Privacy: All processing happens in your browser. Your files never leave your device or are uploaded to any server.

ZapFiles is free thanks to advertising · No account needed · Files processed locally