offlinewebtools.com browser-local workbench
Audio Noise Gate
Remove background noise, hiss, and hum from audio recordings. The noise gate silences audio below a threshold, perfect for cleaning up podcasts and voice recordings.
Files are processed locally in your browser using WebAssembly. This input is required.
Saved FFmpeg presets (stored locally)
Preview and export
Inspect the source before running FFmpeg, then preview the generated output before downloading.
Expected output
The generated file preview, size, type, and download action appear here after processing.
Audio below this level is silenced (-60 to -10 dB)
Noise reduction ratio (1 to 10)
Gate opening speed in milliseconds
Gate closing speed in milliseconds
What this tool does
Audio Noise Gate helps you remove background noise, hiss, and hum from audio recordings. The noise gate silences audio below a threshold, perfect for cleaning up podcasts and voice recordings.
What you get
Audio Noise Gate produces a direct output in this page and keeps all processing on your device, with nothing uploaded to our servers.
Report a bug
If this tool misbehaves, share a quick summary so we can investigate. We include the tool URL automatically—no need to copy and paste.