Compress audio to a file size
Get a recording under the size you set, like 10 MB for an email, as an MP3 at the best bitrate that fits.
Drop your files here
As many as you like. They keep their format.
or paste one from the clipboard
How to compress audio to a file size
- 1
Choose your files
Drop your audio files onto the tool, or pick them from your device. You can add several at once.
- 2
Adjust the settings
Open Settings to control the size it has to fit in. Leave them alone and we pick sensible defaults.
- 3
Download the result
Each file keeps its format. No account, and nothing to install.
Related tools
- Trim audioCut a recording to a start and end point, like an MP3 cutter, keeping everything between them.
- Change audio speedPlay a recording up to four times as fast or slow it to a quarter, with voices kept at their own pitch.
- Normalize audio volumeEven out how loud a recording is to a standard level, for a podcast, streaming or broadcast, so it is neither too quiet nor clipping.
- Split audio into partsCut a long recording into tracks of the same length, in one ZIP, copied rather than re-encoded so nothing is lost.
- Fade audio in and outBring a recording in from silence and let it fade away at the end, for a ringtone, an intro or a clean cut.
- Reduce background noise in audioPush down the steady hiss, hum or fan noise under a voice recording, lightly or hard, without touching the voice.
- Change audio volumeMake a recording louder or quieter by a set amount, with a limiter so turning it up never clips.
- Compress audioRe-encode audio to a smaller size, choosing codec, bitrate, sample rate and channel layout.