Trim, merge, convert, and transform audio — your files never leave your device.
Cut audio to a start and end time and download as WAV.
Combine multiple audio files into one WAV track.
Convert MP3, OGG, M4A and more to uncompressed WAV.
Speed up or slow down audio from 0.5× to 2×.
Increase or decrease audio volume with clipping protection.
Add fade-in and fade-out effects to any audio file.
Play audio backwards and download the reversed WAV.
View duration, sample rate, channels, and file size.
Encode audio files as base64 data URLs.
Decode base64 audio data and download the file.
Generate silent WAV files of any duration.
Visualize audio amplitude as a waveform chart.