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AudioMultiCut

Cut multiple audio segments at once

Upload your audio file

Drag and drop an audio file here, or click to browse

Supports MP3, M4A, WAV and other audio formats

Why AudioMultiCut is Perfect for Your Needs

🎵

Band Rehearsals

Extract individual songs from long rehearsal recordings. Perfect for reviewing specific parts or sharing with band members.

📚

Lectures & Lessons

Split educational content into topics automatically. Great for creating study materials or podcast episodes.

🎤

Private Lessons

Segment music or language lessons for focused practice. Students can download specific exercises or pieces.

🎭

Shows & Performances

Extract individual acts or songs from live recordings. Perfect for performers and event goers.

Key Features

  • ✅ Automatic Detection: Smart silence-based segment detection
  • ✅ Batch Export: Download all segments at once
  • ✅ No Software Required: Works entirely in your browser
  • ✅ Multiple Formats: Support for MP3, WAV, M4A and more
  • ✅ Privacy First: All processing happens locally on your device
  • ✅ Free Forever: No registration, no limits, no watermarks

How to Split Audio Files Online

Splitting a long audio recording into individual segments is one of the most common audio editing tasks — and it used to mean downloading software just to do it. AudioMultiCut makes it possible entirely in your web browser, with no installation required.

What is audio splitting?

Audio splitting means taking one continuous recording and dividing it into multiple shorter clips. For example, a two-hour band rehearsal might contain eight different songs; splitting it produces eight individual MP3 files, one per song. The same principle applies to lectures, podcast recordings, live shows, language lessons, and any other multi-segment audio.

The four-step process

  1. 1

    Upload your audio file

    Drag and drop your MP3, WAV, M4A, or other audio file onto the upload zone, or click to browse your files. The file is loaded directly into your browser. Nothing is sent to a server.

  2. 2

    View the waveform and detect segments

    Once uploaded, the full waveform renders in your browser. For recordings 8 minutes or longer, use the Auto-Cut feature to automatically detect silent gaps between segments. The tool analyzes audio energy levels and marks natural break points between songs or topics.

  3. 3

    Review and fine-tune your segments

    Click and drag on the waveform to manually create a segment, or adjust the start and end points of any auto-detected segment. You can preview each segment by clicking play before committing to a download.

  4. 4

    Download individually or all at once

    Download each segment as an MP3 or WAV file, or use the batch export to download all segments in a single ZIP archive. Files are named sequentially and are ready to use immediately.

Who uses audio splitting?

Musicians and bands record full rehearsals and need individual tracks per song for review, archiving, or sharing with bandmates. Teachers and educators record hour-long lectures and split them into topic-based clips for students to study. Podcasters and journalists record long interviews and extract the best moments as standalone clips. Language learners and their tutors split lesson recordings so students can replay specific exercises. Event organizers and venues capture live shows and provide performers with their individual sets.

Because AudioMultiCut runs entirely in your browser using the Web Audio API, your recordings stay completely private. No audio data ever leaves your device, so interviews, private lessons, and other sensitive recordings never leave your machine.

MP3 vs WAV: Choosing the Right Export Format

When you download a segment from AudioMultiCut, you can choose between MP3 and WAV output formats. The right choice depends on how you plan to use the file.

MP3: smaller, shareable files

MP3 is a lossy audio format that uses psychoacoustic compression to reduce file size significantly, typically 5–10× smaller than an equivalent WAV file. A three-minute segment encoded at 128 kbps MP3 will be roughly 2.8 MB, compared to 30 MB for WAV. MP3 files play on virtually every device, streaming platform, and media player.

Best for: sharing files by email or messaging apps, uploading to SoundCloud or YouTube, sending to bandmates for casual listening, or any situation where portability matters more than technical perfection.

WAV: full quality, no compression

WAV files store uncompressed audio data, preserving every detail of the original recording. There is no quality loss from encoding, which is why it's the go-to when you still need to edit the file.

Best for: archiving original recordings, importing into GarageBand, Logic Pro, Audacity, or other DAWs, professional mastering workflows, and any case where you need to preserve maximum audio fidelity.

FeatureMP3WAV
File size (3 min)~2–4 MB~30 MB
Audio qualityGood (lossy)Perfect (lossless)
Universal playback✓ Yes✓ Yes
DAW/editing import~ Acceptable✓ Preferred
Easy to share✓ Best~ Large files

Note on M4A source files: If your original recording is in M4A or AAC format, AudioMultiCut decodes it in the browser and re-encodes to your chosen output format. AudioMultiCut decodes it at full quality before re-encoding, so you're not losing anything extra in the conversion.

Frequently Asked Questions

Is AudioMultiCut free to use?â–¾
Yes, AudioMultiCut is completely free with no registration, no subscription, and no usage limits. There are no watermarks on exported files. The tool is supported by advertising.
What audio formats does it support?â–¾
AudioMultiCut accepts MP3, WAV, M4A (AAC), OGG, FLAC, and most other audio formats supported by your browser's Web Audio API. For export, you can choose MP3 or WAV output.
Does it work on mobile phones and tablets?â–¾
Yes. The app is fully responsive and works on iOS Safari, Android Chrome, and other mobile browsers. File upload and waveform interaction are touch-friendly. For best experience with large files, a desktop or laptop is recommended.
Is my audio file uploaded to a server?â–¾
No. All audio processing happens locally in your browser using the Web Audio API. Your file never leaves your device and is never sent to any server. This makes AudioMultiCut suitable for confidential recordings.
How does automatic segment detection work?â–¾
The auto-detection algorithm analyzes the audio's RMS energy level over time and identifies stretches of silence (stretches where the volume drops below a configurable threshold for a minimum duration). Each gap between silences is marked as a segment. You can adjust the silence threshold and minimum gap length in the settings.
Can I manually adjust segment start and end points?â–¾
Yes. After creating a segment (either manually or via auto-detection), you can fine-tune its start and end times using the precision sliders on each segment card. You can also click and drag directly on the waveform to create new segments.
What is the maximum file size?â–¾
There is no hard file size limit enforced by the app — the limit is your device's available RAM. Most modern computers handle files up to 500 MB without issues. Very large files (1 GB+) may cause slowdowns on lower-spec devices. Audio files longer than 3 hours are not supported.
How do I download all segments at once?â–¾
After creating your segments, click the "Download All" button in the segments panel. This packages all segments into a ZIP file and downloads it to your device. Individual segments can also be downloaded one at a time using the download icon on each segment card.

Have more questions? See the full FAQ page