Mp3Compressor

MP3 Compressor

MP3 Compressor

Shrink audio file size while keeping the best possible quality

Drag & drop an audio file here or click to browse
Compression Preview
Original
Estimated
Reduction
Processing…
Your compressed file is ready.
Download

How to compress audio:

  1. Select a single audio file (MP3, WAV, OGG, M4A, FLAC, etc.)
  2. Pick a quality preset, drag the bitrate slider, or enter a target file size
  3. Optionally lower the sample rate or convert to mono for extra savings
  4. Click "Compress File" – re-encoding happens locally in your browser
  5. Compare the before/after size and download the smaller file

Compression Settings

High (192kbps)
Balanced (128kbps)
Small (96kbps)
Tiny (64kbps)
128
Lower bitrate = smaller file, lower quality.
Calculates the bitrate needed to hit this size.

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