Audio Trimmer
Cut the start and end of an audio file with a waveform preview and export the selection as WAV.
Blue band = kept region, yellow line = playhead. Seek with the player, snap start/end to the playhead, preview the selection, then export 16-bit PCM WAV. Sample-accurate cut, no re-encode loss.
About Audio Trimmer
Cut the start and end of an audio file with a waveform preview and export the selection as WAV.
Audio Trimmer uses your browser's built-in audio capabilities to test, record or generate sound with real-time visual feedback.
How to Use Audio Trimmer
- Allow microphone or speaker access when the browser asks.
- Follow the on-screen meter, waveform or controls.
- Perform the test or action you came to do.
- Read the results or download any recording.
Key Features
- Real-time meters and waveforms for clear feedback.
- Uses your browser's native audio APIs — no plugins.
- Nothing is recorded or uploaded unless you choose to download it.
Frequently Asked Questions
Why does Audio Trimmer ask for microphone permission?
Only tools that actually listen need microphone access — and permission is requested by your browser, used locally, and never sent to a server.
Is Audio Trimmer free to use?
Yes. Audio Trimmer is completely free with unlimited use — no account, download or payment required.
Is my data uploaded to a server?
No. Audio Trimmer runs entirely in your browser. Your inputs are never sent to our servers or stored anywhere.
Does Audio Trimmer work on mobile?
Yes. The interface is fully responsive and works in any modern browser on Android, iPhone, tablets and desktops.
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