Compress Audio
Reduce audio file size online for free. Lower the bitrate to shrink MP3s and other audio. Nothing is uploaded.
Nothing leaves your device
Runs in your browser
Free, no sign-up
Drop your audio here or click to browse
Supports MP3, WAV, M4A, OGG, FLAC · nothing is uploaded
Target bitrate (lower = smaller)
Lower bitrates make smaller files with more quality loss. Output is MP3.
Processing your video…
Preparing…
0%Calculating…
📂
Reading file🗜️
Compressing💾
Encoding output✅
Your file is ready!
All done, 100% in your browser
How to compress audio
01
Add your audio
Drop in your track. Nothing is uploaded.
02
Pick the bitrate
Lower it to shrink the file to your target size.
03
Download smaller
Save a lighter audio file. Private and free.
Frequently asked questions
How do I reduce an audio file's size?
Lower the bitrate to shrink the file to your target size, then download.
Will it sound worse?
Lower bitrates lose some fidelity; pick a moderate setting to keep it clear.
Is my audio uploaded?
No. Compression is local.
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