Remove noise. Keep the sound.
Clean up distracting hiss, hum, rumble, and low-frequency noise from audio files directly in your browser. Nothing is uploaded to a server.
Choose an audio file
Higher values suppress more steady background noise. Start moderate to preserve natural voice detail.
Cuts low-frequency vibration, HVAC rumble, handling noise, and electrical hum below this frequency.
Tune the cleanup filter for the recording you are working with.
Noise reduction applied successfully.
About Audio Noise Reducer - Remove Hiss & Hum Online Free | ToolsWeb
Xi0’s Audio Noise Reducer is a fast online audio cleanup tool for removing common distractions from voice recordings, podcasts, meetings, interviews, music demos, and phone audio. It combines a low-frequency rumble filter with a gentle noise gate to reduce background hiss and hum while retaining the clarity of the recording.
Unlike many online audio editors, this free noise reducer processes supported files locally in your browser. Your source audio is not sent to Xi0, which makes it a practical choice for private recordings and quick one-file cleanup without accounts, subscriptions, or software installation.
How to Use Audio Noise Reducer - Remove Hiss & Hum Online Free | ToolsWeb
- Select an MP3, WAV, M4A, AAC, OGG, or another browser-supported audio file by clicking the upload area or dropping it onto the tool.
- Set the noise reduction strength. Choose a moderate value first for the most natural speech and music results.
- Adjust the rumble and hum filter to remove unwanted bass vibration, electrical hum, wind noise, or microphone handling noise.
- Choose an audio focus preset, then click Reduce Noise to clean the sound directly on your device.
- Preview the processed audio and download your cleaned file as a high-quality WAV.
Key Features & Advantages
| Feature | Xi0 Audio Noise Reducer | Typical online editor |
|---|---|---|
| Privacy | Processes in your browser | Often requires file upload |
| Cost | Free with no signup | May require an account or paid export |
| Noise cleanup | Adjustable noise gate and rumble filtering | Fixed or limited cleanup controls |
| Export | Instant WAV download | May queue or restrict downloads |
Frequently Asked Questions
Yes. You can reduce hiss, hum, and rumble, preview the result, and download cleaned WAV audio without creating an account or paying a fee.
No. This tool uses browser audio processing, so supported files are decoded and cleaned on your device. Your selected audio is not uploaded by the tool.
You can select MP3, WAV, M4A, AAC, OGG, FLAC, and other formats that your browser can decode. WAV and MP3 generally offer the broadest browser compatibility.
Very aggressive cleanup can treat quiet speech details as noise. For the best balance, use a moderate strength and raise the rumble filter only as far as needed.
WAV is an uncompressed format that preserves the cleaned result without adding another layer of lossy compression. You can convert it later if you need MP3 or another delivery format.