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Audio
Cutter

Use Captions’ audio cutter to customize your sound. Achieve studio-quality audio recordings without expensive equipment.

Get Started

Refine
your sound

Combine clips

Split and merge videos to remove filler words.

Add music

Upgrade your audio with royalty-free music and sound effects.

Remove background noise

Use Captions’ online audio cutter tools to remove disruptive sounds and echoes.

A screenshot of Captions’ audio cutter with a noise reduction option at the bottom left

How to split audio
in three steps

Upload

Import your video to Captions.

A screenshot of audio waves files being cut into three.

Split

Tap the timeline and trim audio clips.

A screenshot of a video being downloaded in the Captions app.

Export

Save and export your updated video.

Cut audio clips

Get Started

Frequently asked questions

FAQ

Is Captions’ audio cutter available on all devices?

Captions’ online audio editor features like Denoise and Split are available on iOS, desktop, and Android devices.

Edit videos for social media, remove background music, or create compelling voiceovers using these tools.

How do I cut an MP3 file?

Upload a video with an attached MP3 file to Captions. Then, use MP3 cutter tools like Split & Merge to delete unwanted audio from the timeline.

Can I merge multiple segments of an audio file?

Yes — split, rearrange, and join clips on the timeline to merge different audio file segments.

With just a few clicks, you can edit music for YouTube videos, remove filler words, and improve your audio quality.

What’s the maximum audio size I can upload?

There’s no specified maximum file size you can upload to Captions. However, larger files may take longer to import and process, so consider uploading videos under 1GB.