Skip to main content

Audio Converter Online Free — PrivaTools

TL;DR: Upload an audio file and pick a target format (MP3/WAV/OGG/FLAC/AAC) + bitrate — FFmpeg converts server-side.

Convert audio files online for free — change between MP3, WAV, OGG, FLAC, and AAC formats. Choose your preferred bitrate (64k to 320k). Powered by FFmpeg for professional-quality conversion. Files up to 200 MB supported.

Every PrivaTools tool — including Audio Converter — is genuinely free with no premium tier, no per-day limit, and no watermark on the output. Files are deleted from the server within seconds of your download completing. Source code: github.com/taiyeba-dg/privatools.

How to Use Audio Converter

  1. Upload an audio file — Select an MP3, WAV, OGG, FLAC, AAC, or M4A file up to 200 MB.
  2. Choose output format and bitrate — Select the target format (MP3, WAV, OGG, FLAC, AAC) and bitrate (64k to 320k). Default is MP3 at 192k.
  3. Convert and download — Click Convert. FFmpeg processes the audio and the converted file downloads automatically.

Frequently Asked Questions

What audio formats are supported?

Convert between MP3, WAV, OGG, FLAC, and AAC. The tool uses FFmpeg for professional-quality conversion with precise codec handling.

Can I choose the bitrate?

Yes. Available bitrates: 64k (small file), 128k (good), 192k (high quality), 256k (very high), and 320k (maximum). Default is 192k.

What is the file size limit?

Audio files up to 200 MB are supported. This covers most audio files including full albums in lossless FLAC format.

Last reviewed 2026-04-20 by the PrivaTools maintainers. Source code on (MIT-licensed, self-hostable).

Related Tools

Working with PDFs too? Try our Merge PDF, Compress PDF, PDF to Word, or all 175+ tools.