MP3 Converter
Convert MP3 files to and from other formats right in your browser. Free, private and with no upload.
Drag and drop your files here
or click to browse local files (large files supported, limited only by browser RAM)
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What is a MP3 file?
.mp3 (MPEG-1 Audio Layer III) is the most popular lossy audio compression format, which revolutionized digital music sharing.
| Feature | MP3 (MPEG-1 Audio Layer III) |
|---|---|
| Compression | lossy |
| Best for | music libraries and playback on any device |
| Opens in | every phone, car stereo, browser and media player |
MP3 is a audio format.
Convert MP3 to other formats (9)
Convert other formats to MP3 (21)
Why convert here
- Your files never leave your device: conversion runs locally with WebAssembly.
- No sign-up, no watermark and no file size limit beyond your browser's memory.
- Batch conversion with parallel workers, plus quality, size and codec settings.
Looking for something else? Browse the full converter directory.