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Fade-In, Fade-Out, Crossfade Effects

Online Audio Cutter

Drop an audio file anywhere on the page to start editing, or import a saved project to pick up where you left off. Want to explore first? Try our editor with a demo project.

We are trying to create the most convenient audio cutting tool

Cut audio online

Precisely cut MP3, WAV and other audio files directly in your browser. Select exact start and end points with sample-level accuracy.

Trim audio files

Remove unwanted parts from recordings, music tracks, podcasts, and voice notes without quality loss.

Split audio files

Split long audio recordings into multiple files. Ideal for podcasts, interviews, lectures, and meetings.

Merge audio files

Combine multiple audio files into one track. Seamlessly join music, voice recordings, or sound clips with optional fade transitions.

Extract audio from video

Extract audio tracks from video files. Convert MP4, WebM and other video formats to MP3, WAV, or FLAC.

Audio converter

Convert between MP3, WAV, OGG, FLAC, AAC, MP4, AIFF and other formats. Control quality, bitrate, and sample rate.

Fade-in / fade-out

Apply smooth fade-in and fade-out effects to avoid abrupt starts and endings.

Volume adjustment

Increase or decrease audio volume without distortion. Fine-tune loudness for music, speech, and recordings.

Audio normalization

Normalize audio to a target volume level (e.g. -1 dB, -16 LUFS). Fix recordings that are too quiet.

Audio compression

Apply dynamic range compression to balance loud and quiet parts for a clear, professional sound.

Frequency filter

Apply high-pass, low-pass, band-pass, or notch filters. Remove rumble, hum, hiss, or isolate specific frequency ranges.

Remove silence from audio

Automatically detect and highlight silent parts. Clean up podcasts, interviews, voice recordings.

Online podcast editor

Edit podcast episodes online: trim mistakes, remove silence, normalize loudness, and export in broadcast-ready formats.

Integration API

Integrate audio editing into your website. Open audiocutter.online as a popup and send audio files via postMessage.

Frequently Asked Questions

Integrate with your website

Let your users edit audio files. Open audiocutter.online as a popup and send audio file via postMessage.

// 1. Open the import page as a popup
const popup = window.open('https://audiocutter.online/import/')

// 2. Listen for the ready signal
window.addEventListener('message', (event) => {
  if (event.data?.source === 'audiocutter' && event.data.type === 'ready') {
    // 3. Send the audio file
    popup.postMessage({
      type: 'audio',
      file: file // File object
    }, 'https://audiocutter.online')
  }
})

Have questions or need help integrating?

Let's cut some audio
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