Waveform
100% on-device
All tools

Audio compressor

Aim for a target file size or a bitrate and hear the result before you save it. The encoder works out what it can spend per second from the length of your clip, and tells you when a target is simply too small to sound like anything.

Runs entirely in this tab. Your audio is never uploaded.

Drag & drop an audio or video file, or click to browse

MP3, WAV, M4A, OGG, FLAC, AAC and more