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Chop Chop Audio Mini App

Data and files remain on your device and do not reach our server.

Open a song, choose the part you want to keep, and download your cut.
Everything happens locally in this browser tab. No account needed.

1. Open your audio

or drag a file here

One file at a time · up to 50 MB and 15 minutes · mono or stereo

Your original file is never changed.

Ready when you are.

2. Choose what to keep

Audio trimming controls
Audio waveform
Your waveform will appear here
0:000:00

The blue area is kept. Shaded audio is removed. Click the waveform to preview from that point.

Enter a time such as 1:23.500, or a number of seconds such as 83.5.

No audio loaded

Optional fades soften the start and end. Green ramps on the waveform show where the volume fades in and out. Preview includes your fades.

3. Download your cut

Export controls

MP3 is smaller and is re-encoded at 192 or 320 kbps. WAV is uncompressed, with 16-bit or larger 24-bit files available. Higher bitrate or bit depth cannot restore quality lost in the original. Exports use the decoded audio at 44.1 kHz; original tags and artwork are not copied.

Only the selected part is exported. Keep this tab open until your download is ready. Reloading or closing the tab discards your session.

❤️ Enjoying this mini app?

This project is completely free to use. We will never sell your data and we will never use ads.

If you'd like to support future development for this and more apps, you can support our efforts with a small donation.

Support Development

How it works

  1. Open an MP3 or WAV. It is read by this browser, not uploaded. Opening another file replaces the current editing session.
  2. Choose your start and end. Move the sliders or type exact times. Only the blue part of the waveform is kept.
  3. Listen before saving. Play your selection or preview its ending. Add optional fades to soften the cut.
  4. Prepare your download. Pick MP3 or WAV, wait for local encoding, then click the download link. Your original file is untouched.

This is a quick trimmer, not a multitrack editor. Long files need more memory, especially on phones. No files or edits are saved to your account.