How do I cut or trim an MP3 or audio file online?

Upload your audio file (MP3, WAV, OGG, M4A, FLAC), drag the start and end markers on the interactive waveform, preview the selection, and click 'Download Trimmed Audio'.

Can I use the audio cutter to make a phone ringtone?

Yes. Zoom into the waveform, select a 20-to-30-second catchy hook, add a 1-second fade-in/fade-out, and export as MP3 or M4R ringtone.

Does trimming audio reduce sound quality?

No. The engine processes audio using native 32-bit floating-point Web Audio buffers, exporting crisp, full-fidelity sound.

Can I zoom into the audio waveform for millisecond-level precision?

Yes. Use the waveform zoom controls to navigate and place cut points with sub-second precision.

NexLove Media

Audio Cutter & Trimmer — Cut MP3 WAV Online

Cut, trim, and split audio files with visual waveform display. Set precise start/end markers to create custom ringtones, audio clips, and music snippets.

TL;DR: Audio Cutter & Trimmer — Cut MP3 WAV Online is a 100% free browser-based media utility. Trim and cut audio MP3/WAV tracks with visual waveform timeline selection.

Select Audio File to Cut & Trim

Supports MP3, WAV, OGG, M4A, AAC, FLAC files

Understanding Audio Cutter & Trimmer — Cut MP3 WAV Online

Cut, trim, and split audio files with visual waveform display. Set precise start/end markers to create custom ringtones, audio clips, and music snippets. Designed for creators, video editors, audio engineers, web designers, and developers who need instant, high-precision processing without software installation, watermarks, or file uploads.

Mathematical Formula & Technical Methodology

\text{Sample Count} = (T_{\text{end}} - T_{\text{start}}) \times \text{SampleRate (Hz)}

Formula Variables Explained:
Slices linear PCM sample arrays in AudioBuffer at exact sample indices before encoding to WAV.

Step-by-Step Worked Example

Slicing from 0:10 to 0:40 at 44.1kHz extracts 1,323,000 stereo audio samples.

100% Client-Side Privacy Guarantee

All media decoding, manipulation, calculations, and encoding execute locally inside your web browser using HTML5 Canvas, Web Audio API, WebCodecs, Web Crypto, and modern JavaScript engines. Zero server uploads, zero telemetry, and no registration required.

Frequently Asked Questions

: Upload your audio file (MP3, WAV, OGG, M4A, FLAC), drag the start and end markers on the interactive waveform, preview the selection, and click 'Download Trimmed Audio'.
: Yes. Zoom into the waveform, select a 20-to-30-second catchy hook, add a 1-second fade-in/fade-out, and export as MP3 or M4R ringtone.
: No. The engine processes audio using native 32-bit floating-point Web Audio buffers, exporting crisp, full-fidelity sound.
: Yes. Use the waveform zoom controls to navigate and place cut points with sub-second precision.

Embed This Tool

Add the live Audio Cutter & Trimmer — Cut MP3 WAV Online to your own website with this embed code:

<iframe src="https://nexlove.org/embed/audio-cutter.html" width="100%" height="650" style="border:1px solid #e2e8f0;border-radius:12px" title="Audio Cutter & Trimmer — Cut MP3 WAV Online — NexLove" loading="lazy"></iframe>

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