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Audio bitrate (for audio output):

How to convert an audio file

Pick the target format from the Format dropdown (MP3, WAV, AAC, OGG, FLAC, or M4A).
Drop or select your audio file - conversion starts in the tab using FFmpeg.wasm and nothing is uploaded.
When the status clears, click the download link to save the converted file.

Drop your input, pick the target format, and download the converted file.

Audio Converter

Last reviewed: 2026-07-02

Convert audio files between common formats in the browser. Pick the target format from the dropdown, upload or drop your file, and save the result - conversion runs in the tab using FFmpeg.wasm and nothing reaches a server. The working copy is released when you navigate away.

Supported input and output formats include MP3, WAV, AAC, OGG, FLAC, and M4A. The bitrate dropdown lets you choose 128, 192, 256, or 320 kbps for audio output. Your input file is processed locally and discarded when the page closes - nothing is stored or uploaded at any step.

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freetoolonline.com editorial team

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Last updated: Jul 2, 2026

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Frequently Asked Questions

What does Audio Converter do?

Convert audio files between common formats in the browser.

When should I reach for audio converter?

Format options are listed in the dropdown above the file picker.

What complementary tools work well alongside audio converter?

For the reverse-direction converter, see the related-tools section at the foot of the page.