Trim audio

Choose an audio file and edit it right here — no account needed, nothing gets uploaded.

About Trim audio

Trim audio in your browser—free, private, no upload. Set in/out points and export MP3, WAV, or M4A on your device.

Tool facts

Processing
Runs locally in your browser. Source files are not uploaded to NanoPix for editing.
Available controls
In / out points · Export format
Output
Export trimmed audio

Frequently asked questions

What can Trim audio do?
Trim audio in your browser—free, private, no upload. Set in/out points and export MP3, WAV, or M4A on your device.
Are my files uploaded to your servers?
No. NanoPix runs in your browser with WebAssembly. Your video, audio, or image files stay on your device—we never receive them.
Is browser-based editing private?
Yes. Processing happens locally on your machine. Nothing is sent to NanoPix servers for encoding or storage.
Is this tool free?
Yes. NanoPix tools are free to use in a modern browser. No account is required for basic editing and export.