Mp3Compressor
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.
How to compress audio:
- Select a single audio file (MP3, WAV, OGG, M4A, FLAC, etc.)
- Pick a quality preset, drag the bitrate slider, or enter a target file size
- Optionally lower the sample rate or convert to mono for extra savings
- Click "Compress File" – re-encoding happens locally in your browser
- 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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