Online Audio Compressor — Shrink MP3, WAV & FLAC Files
Professional-grade audio compression that happens entirely in your browser. Choose your target bitrate. Your files never leave your device.
Drop your audio here
Supports MP3, WAV, FLAC, AAC — up to 500 MB
First-time compression loads the FFmpeg engine (~30 MB). All processing is 100% local — nothing is uploaded.
Private Processing
SimpleCompressor processes your audio files directly in your browser using WebAssembly. We never upload your data to a server.
Supported Formats
How It Works
Upload
Drag & drop or browse your file. It stays in your browser — nothing is uploaded.
Compress
Our local algorithms process your file at your chosen quality setting.
Download
Save your optimized file instantly. No waiting, no server queues.
Supported Formats
Why Simple Compressor?
100% Private
Files are processed locally using WebAssembly. They never leave your device.
Instant Speed
No upload/download cycle. Speed is limited only by your hardware, not your internet.
No Quality Loss
Smart algorithms target invisible data, preserving visual and auditory fidelity.
No Signup Required
No account, no limits, no watermarks. Just a clean utility tool.
Any Device
Works in any modern browser on desktop, tablet, or mobile.