What does Audio Compressor do?
Shrink audio files by re-encoding to a lower MP3 bitrate.
Audio Compressor accepts MP3, WAV, OGG, M4A, AAC, FLAC and WEBM files, and produces MP3 output.
Your MP3, WAV, OGG, M4A, AAC, FLAC and WEBM files are processed locally in your browser — they are never uploaded to our servers.
How to use Audio Compressor
- 1Drag and drop your file onto the upload area, or click “Choose file”.
- 2Adjust the audio compressor settings to suit your needs.
- 3Click the main action button and wait a moment while it is processed on your device.
- 4Preview the result and download your MP3 file.
Supported formats
- Input
- MP3WAVOGGM4AAACFLACWEBM
- Output
- MP3
Frequently asked questions
Is Audio Compressor free?
Yes. Audio Compressor is completely free with no sign-up and no watermarks.
Are my files uploaded?
Your MP3, WAV, OGG, M4A, AAC, FLAC and WEBM files are processed locally in your browser — they are never uploaded to our servers.
Is there a file size limit?
Free usage supports files up to 200 MB. Because processing happens on your device, very large files depend on your device's available memory.