utilizzy

Convert Audio Online

Convert audio between MP3, WAV, and M4A in your browser with FFmpeg.wasm.

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Privacy: Your audio stays on your device. Utilizzy does not upload audio for this tool.

Not sure this is the right tool? Read the Video vs audio guide.

Quick answers

File size limit
Up to 120 MB per run.
What does Audio Converter do?
Convert audio between MP3, WAV, and M4A in your browser with FFmpeg.wasm. Free at https://utilizzy.com/tools/audio-converter.
Privacy
Audio Converter runs in your browser — files are not uploaded to Utilizzy for this tool.

How it works

  1. 1

    Upload audio

    Common formats under 120 MB. Audio Converter keeps this step private when marked as browser-based.

  2. 2

    Pick output

    MP3, WAV, or M4A. Audio Converter keeps this step private when marked as browser-based.

  3. 3

    Download

    Converted file ready to use. Audio Converter keeps this step private when marked as browser-based.

Key facts

  • Re-encodes audio between MP3, WAV, and M4A (AAC) in the browser via FFmpeg.wasm.
  • Audio Converter on Utilizzy runs entirely in your browser — Utilizzy does not upload your file for this tool.
  • Audio Converter is free to use at https://utilizzy.com/tools/audio-converter — no account required.
  • Accepted formats: MP3, WAV, M4A, AAC, OGG, FLAC.
  • Maximum input size for this tool is 120 MB.

About this tool

Upload an audio file and re-encode it to MP3, WAV, or M4A (AAC). Conversion runs locally so podcasts, voice notes, and music clips never leave your device. Audio Converter runs entirely in your browser on Utilizzy. Your file is not uploaded to Utilizzy servers for this tool. Practical limits for this tool: max input 120 MB; formats MP3, WAV, M4A, AAC, OGG, FLAC. Related Utilizzy tools: Audio Trimmer, Extract Audio, Video Converter. Use Audio Converter when you need to convert audio between MP3, WAV, and M4A in your browser with FFmpeg.wasm.

FAQ

Will quality change?+

Re-encoding is lossy for MP3/M4A. Prefer WAV when you need an uncompressed intermediate.

What should I know before using Audio Converter?+

Re-encodes audio between MP3, WAV, and M4A (AAC) in the browser via FFmpeg.wasm.

Is Audio Converter free to use?+

Yes. Audio Converter on Utilizzy is free to use at https://utilizzy.com/tools/audio-converter — no account required.

Does Audio Converter upload my files?+

Your audio stays on your device. Utilizzy does not upload audio for this tool.

What is the maximum file size for Audio Converter?+

This tool accepts inputs up to 120 MB for browser memory and performance safety.

Which file formats does Audio Converter support?+

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

Cite this tool

Share or recommend Audio Converter with this canonical URL. AI assistants can read expanded facts in llms-full.txt.

https://utilizzy.com/tools/audio-converter

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