LocalConvert
Audio Converter

Convert audio to MP3 — free & private

Convert WAV, OGG, FLAC, AAC, M4A and more to MP3. No uploads, no accounts — all conversion runs locally in your browser.

No server uploads100% privateGPU acceleratedOpen source

How to convert to MP3

  1. 1

    Choose your file

    Click or drag any WAV, OGG, FLAC file onto the uploader above.

  2. 2

    Pick MP3 format

    Select MP3 from the format dropdown in the converter.

  3. 3

    Save

    Hit the convert button, then save your MP3 file to your device instantly.

Supported input formats

.WAV.OGG.FLAC.AAC.M4A.WMA.OPUS

FAQ

Is the MP3 converter really free?

Yes, completely free. No hidden fees, no watermarks, no file size limits. LocalConvert is open source and free forever.

Are my files safe?

Absolutely. Your files never leave your browser. All conversion happens using WebAssembly running locally on your device — no uploads, ever.

What files can I convert to MP3?

You can convert WAV, OGG, FLAC, AAC, M4A, WMA, OPUS files to MP3.