Remove background noise from audio
AI noise removal for voice recordings, podcasts, interviews and videos. Free, no sign-up, no length limit — and your audio never leaves your device.
How to use it
- Choose an audio or video file — voice memos, podcasts, interviews, lectures and video clips all work.
- The AI model removes background noise like hum, hiss, fans, traffic and chatter while keeping the voice natural.
- Switch between Original and Cleaned to compare, adjust the strength if you want some room sound back, then download.
What this noise remover does
It separates speech from everything else in a recording and keeps only the speech. It works frame by frame, about 100 times a second, so it handles noise that changes over time — a fan switching on, a car passing, a door closing — not just a constant hiss.
The model is DeepFilterNet3, a speech enhancement network from researchers at the University of Erlangen-Nuremberg. It is small enough to run in a web browser, yet it competes with tools that need a cloud GPU.
- Air conditioners, fans and computer hum
- Traffic, wind and street noise
- Keyboard clicks and background chatter
- Hiss from cheap microphones and old recordings
Why it runs in your browser
Most online noise removers upload your file to a server, process it there and make you wait in a queue. Free plans usually cap you at a few minutes a day or 30-minute files.
Here the model runs on your own device. That means no upload time, no daily limit, nothing stored anywhere, and it keeps working on long recordings like lectures and meetings. A typical laptop cleans audio several times faster than real time per channel.
Getting the best result
Start at Max strength and listen with headphones. If the voice sounds thin, or the silence between sentences feels too dead, lower the strength — it blends a little of the original back in, so some room sound returns.
The tool also matches the cleaned voice to the original loudness, so your file does not come out quieter than it went in.
Frequently asked questions
Is my audio uploaded anywhere?
No. The noise remover is downloaded to your browser once and runs on your own device. Your file never leaves your computer or phone, so there is no upload wait and nothing is stored on a server.
Is there a length or file size limit?
There are no daily limits. Very long files are only limited by your device: an hour of mono audio needs roughly 1.5 GB of free memory (about 3 GB for stereo), and a typical laptop processes it in about 15–25 minutes.
Will it make my voice sound robotic?
It is built to keep voices natural. On very noisy recordings, lowering the strength a little removes most of the noise while avoiding any thin or watery sound.
Does it work on music?
No — the model is trained on speech. It treats instruments as noise, so it is not suitable for cleaning up songs.
Can I use it on my phone?
Yes, in Chrome or Safari. Phones are slower than laptops, so short clips are best; for recordings over 20 minutes a computer is more comfortable.