Make spoken audio clearer by cutting down hiss, hum and background noise, without sending your recording to a server. Supercut cleans up your audio locally in the browser, so your footage and its audio stay on your device.
Just type
“Clean up the audio and reduce background noise”
Works with
Add the video with the noisy audio. It loads locally, with nothing uploaded.
Say “clean up the audio” or “reduce background noise,” and Supercut processes the track.
Preview the cleaned audio and export your clip, clearer speech, footage never uploaded.
Supercut decodes, edits and exports your video entirely in your browser with WebAssembly. Your footage is never uploaded, the only thing that leaves your device is the text of your prompt, so the AI knows what edit to plan. Read more in our Privacy Policy.
Make a quiet video louder or tame loud audio in your browser. Adjust volume in dB without uploading your clip.
Rip audio from any video and save as MP3 in your browser. Convert video to audio without uploading, your recording stays private.
Add auto-captions to any video in your browser. On-device transcription with viral caption styles, no upload, your footage and audio stay private.
Turn podcast episodes into captioned vertical clips for social. Transcribe and reframe in your browser without uploading raw audio or video.
Trim lessons, add captions for accessibility, clean up audio, and cut promo clips, all in your browser. Unreleased course content never leaves your device.
No. Audio cleanup runs in your browser, so your recording never leaves your device.
Steady background noise like hiss, hum and room tone are the best candidates for cleanup.
Yes. You can adjust audio and combine it with other edits, captions, trimming, reframing, from plain-English prompts.
Drop a clip and describe the edit, it runs right here in your browser.
Open the editor