Audio Tools
Audio Tools
Convert, trim, adjust pitch and tempo — all offline.
EditingBitrate • Volume • Mono/Stereo
Audio Workspace
EditingTrim start/end with waveform selection
OutputBitrate • Volume • Mono/Stereo
Instant feedbackSnappy sliders and scrubbing
Editing
Trim0:00 - 1:30
Pitch+2
Tempo1.1x
Waveform Preview
Upload audio, trim or adjust settings, then export to MP3 or WAV.
What you can do
- Convert to MP3 and WAV
- Trim start/end with waveform selection
- Change pitch (±12 semitones) and tempo (0.5–2x)
- Mono/stereo, bitrate, and volume controls
- All processing is local to your device
About this tool
Convert and edit audio locally — trim clips, adjust pitch/tempo, and export clean files.
Use it as an MP3 to WAV converter, WAV to MP3 converter, and quick audio cutter.
Supported formats: MP3, WAV.
FAQ
No. Processing happens in your browser using WebAssembly and modern APIs.
Can I trim an MP3 online without uploading?
Yes. Trimming happens locally in your browser and the file stays on your device.
Will changing pitch affect tempo (or vice versa)?
You can adjust pitch and tempo independently using the controls.