Audio Compressor
Make an audio file smaller by lowering its bitrate, with an optional switch to mono.
How it works
- 1Upload your audio file.
- 2Pick the format, bitrate and channels.
- 3Download the smaller file.
Features
- 32 to 128 kbps as MP3, M4A or Opus.
- Mono halves the size for speech.
- Opus keeps voices clear at very low bitrates.
- If it can't get smaller, you get your original back.
Frequently asked questions
What bitrate should I use?
For speech, 48 to 64 kbps mono is plenty. For music, 96 to 128 kbps stereo.
Is this the same as dynamic range compression?
No. This tool reduces file size. To even out loudness use the Audio Normalizer.
Is there a file size limit?
Files up to 100 MB.
Related tools
Audio ConverterBetaConvert audio between MP3, M4A, WAV, OGG, Opus and FLAC.Audio NormalizerBetaSet an audio file to a standard loudness for streaming, podcasts or broadcast.Video CompressorBetaMake a video file smaller while keeping it watchable, with an optional lower resolution.Audio CutterBetaCut a section out of the middle of an audio file and join the rest.