How to Compress MP3 Online With 3 Easy Steps?
Add MP3 file you want to compress.
Choose MP3 quality and click COMPRESS.
Download compressed MP3 or save to Dropbox.
Why Choose Online UniConverter to Compress MP3?
Easy to Use, Convenient to Share
Online UniConverter (originally Media.io) can compress MP3 via a web browser on Windows, Mac or Linux system, without any downloading.
It enables you to save MP3 to Dropbox and share it directly by Facebook, YouTube, or other devices.
Many Input Formats
Select MP3 compression settings from 320Kbps, 256Kbps, 128Kbps, 64Kbps, to 32Kbps, which will result in your output size.
Smart Output Settings
Smart MP3 compressor to reduce MP3 file size online with one click, further customization like video resolution, output size, and format are also available.
No Ads Added, No File Limits
Compress MP3 without ads added, you can shrink MP3 file one by one without quantity limit after sign up.
Online UniConverter (originally Media.io) is a secure HTTPS (SSL) connection website, so you can securely upload your MP3 files.
All the uploaded and compressed MP3 files are automatically removed from our serves after a few hours.
Any Output Quality & Format
You can compress MP3 to WAV to reduce MP3 file size, or convert to M4A, AAC, FLAC, M4B, OGG, and APE for special devices.
What Else Can You Do With Online UniConverter?
Online UniConverter (originally Media.io) can not only compress MP3 online but also convert and edit other video/audio files for free.