Audio Cutter & MP3 Trimmer

Cut, trim, and split MP3, WAV, AAC, and audio files locally in your browser with interactive waveforms and millisecond precision. Exports lossless WAV.

Drop audio file here or click to browse
Supports MP3, WAV, M4A, AAC, OGG, WebM, FLAC
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<iframe src="https://lucentool.com/audio-cutter" width="100%" height="650" style="border:1px solid #e5e0d8;border-radius:12px;max-width:850px;width:100%;" frameborder="0"></iframe>
<div style="font-size:12px;color:#78716c;margin-top:6px;font-family:sans-serif;">Powered by <a href="https://lucentool.com/audio-cutter" target="_blank" style="color:#c85a32;text-decoration:none;">Lucentool - Audio Cutter & MP3 Trimmer</a></div>

Why Client-Side Audio Trimming Is Superior

Voice memos, private meeting recordings, personal vocal takes, and proprietary audio are routinely uploaded to remote server temp directories by conventional online converters. Lucentool utilizes the modern W3C Web Audio API directly in your browser memory, ensuring your voice and media never travel over the network.

Lossless 16-bit PCM WAV Architecture

Lossy formats like MP3 degrade transient response and harmonic overtones each time they are re-encoded. Lucentool outputs standard 16-bit linear PCM WAV with an exact 44-byte RIFF header, guaranteeing bit-perfect preservation ideal for ringtones, podcast intros, and DAW production.

Pop-Free Audio with Fade Ramps