Audio Noise Reducer
Reduce a steady background noise floor from a short local recording using browser audio processing.

Free browser tool
No Matrix computer needed
✓ No account or card
✓ Use the result right away
✓ Task-specific limits below
Workspace
Use audio noise reducer
Runs in this browser tab
Mono or stereo, up to 80 MB and 3 minutes. Input formats depend on your browser's decoder. Files stay on this device.
Result
Best for steady hiss or hum. A clean noise sample at the start improves results; speech or music in that sample can also be reduced.
How to use it
Choose audio, adjust noise reduction, preview the processed signal, and download it.
What to check
Strong processing can introduce artifacts and may not remove voices or changing background sounds.
Review the result before using it in a published page, application, or agent configuration.
Quick answers
Frequently asked questions
What kind of background sound can Noise Reducer help with?
It targets a relatively steady noise floor in a short recording. Changing sounds or overlapping voices may remain.
Can noise reduction damage speech quality?
Yes. Strong settings can create artifacts or remove quiet details. Preview the processed audio and keep the original recording.
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