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MP3 Compressor
Reduce MP3 file size by re-encoding at a lower bitrate — entirely in your browser.
2 cores · low tier
Drop a file here or click to select
Format will be auto-detected
About MP3
MP3
MPEG Audio Layer 3The most popular lossy audio format. Revolutionized digital music with good quality at small file sizes, supported by virtually every device.
Best for
Music filesPodcastsAudiobooksUniversal playback
Advantages
- + Universal support
- + Small file size
- + Good quality at 192+ kbps
- + Album art support
Limitations
- − Lossy compression
- − Quality loss at low bitrate
- − Not ideal for archival