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Fade-In, Fade-Out, Crossfade Effects

Online Audio Cutter

Easily cut your audio files online. Click the button below to upload your audio file or try our editor using a preloaded test file. Or drag and drop a file anywhere on the page.

We are trying to create the most convenient audio cutting tool

  • Support for most formats
    We have managed to implement support for most audio formats: MP3, WAV, OGG, FLAC, MP4, AAC, AIFF, WEBM and many others.
  • Joining audio files
    You can easily combine audio files into one. Just upload your files, arrange them and add fade-in, fade-out for smooth transitions.
  • Immediate playback
    You can immediately listen to the cut record online without the need to first download it to your computer and it works really fast.
  • Focus on performance
    Performance is one challenge that we take on. Our goal is to make you think that the processing of audio is an easy task.
  • Convert into different formats
    You can use our tool as an audio converter. Just upload a file in one format and download it in the format you need.
  • Cross-platform online tool
    As an online solution, our software can be used on any platform or operating system: Windows, MacOS or Linux. No need to download and install it.

Frequently Asked Questions

No. All audio processing happens directly in your browser. Your files never leave your device and are not uploaded or stored on any server.
Yes. Because editing is done locally in your browser, your files remain private on your device and are never shared with us or third parties.
All data is stored temporarily in your browser’s memory. Once you close or refresh the page, your editing session and files are cleared automatically.
No installation is required. Everything runs in your browser.
No account or sign-up is required. You can use all features immediately.
No. The exported audio is free of watermarks, and you can use the tool without hidden restrictions.
You can export in high-quality formats like WAV to preserve full quality. For MP3 or AAC, you can select a higher bitrate to minimize compression loss.
Yes. AudioCutter Online works in modern mobile browsers such as Chrome, Safari, and Firefox. However, for large files and smoother performance we strongly recommend using a desktop browser, as mobile devices may be slower or crash with heavy audio editing.
Of course, we try to make the most convenient tool. So write to us via the feedback form.
Let's cut some audio
GuidesFade-In, Fade-Out, Crossfade