AI background noise remover for audio and video
Upload a recording, listen to the cleaned version, and download it once it sounds right. Your voice stays the same, the noise goes.
Clean up a recording
or drop audio or video here
MP3, WAV, M4A, FLAC, OGG, MP4, MOV, WebM · up to 60 minutes
- Free 30-second preview
- Files up to 5 minutes free
- Standard runs on your device
Sample: a voice recorded over real city traffic.
How to remove background noise from audio in 3 steps
- Step 1
Upload your recording
Audio or video: MP3, WAV, M4A, MP4 or MOV, straight from your phone or computer.
- Step 2
Preview the result
Listen to 30 seconds of the cleaned version for free and switch between before and after.
- Step 3
Download the clean file
Happy with it? Clean the full file and download it. Video files keep their original picture.
Works on video too
Upload an MP4 or MOV and get the same video back with a clean soundtrack. The picture is not re-encoded.
Sample: street walk with narration, recorded over traffic.
What it removes
Trained on speech, so it keeps your voice and drops everything around it.
Hum and hiss
Electrical hum, mic hiss and the buzz from cheap cables or chargers.
Wind
Gusts hitting the phone mic when you record outside.
Traffic and street noise
Cars, sirens and the general roar of a busy street.
Fans and air conditioning
The steady whoosh that fills indoor recordings.
Crowd chatter
Voices and clatter in cafés, offices and event venues.
Keyboard and clicks
Typing, mouse clicks and desk bumps under a voice-over or call.
What does an AI background noise remover do?
It separates the voice in a recording from everything else and turns the rest down. Traffic, wind, fans and air conditioning, electrical hum, hiss, keyboard clicks and the chatter of a busy room all fade out, while the speech stays at its original level and tone.
Older noise reduction subtracts a fixed noise profile, which works on steady hiss but struggles with traffic or voices in the background and often leaves the speaker sounding muffled. Denoisa uses a model trained on speech, so it handles changing noise and keeps the voice natural. Use it to clean up audio from podcasts, interviews and voice notes, denoise audio from old recordings, or remove background noise from video without touching the picture.
How AI background noise removal worksCleaning audio by hand vs. using Denoisa
| In an editor | With Denoisa |
|---|---|
| Install Audacity, Premiere or DaVinci | Works in the browser, on any device |
| Capture a noise profile and tune sliders | One upload, no settings |
| Voice often ends up muffled or robotic | Trained on speech, so the voice keeps its tone |
| Export the audio and re-attach it to the video | Video files come back with the picture untouched |
A background noise remover built for real recordings
Audio and video
Upload MP3, WAV, M4A, MP4 or MOV. Videos come back as videos, with the same picture and clean sound.
Hear it before you pay
A free 30-second preview with a before/after switch, no account needed.
Keeps the voice natural
Removes noise without the underwater, robotic sound of older filters.
No software
Runs in the browser on your phone or computer. Nothing to install, no settings to learn.
Private by default
Your files are stored privately, used only to process your request and deleted automatically 24 hours after upload.
Fair billing
1 credit cleans 1 minute. Pack credits never expire and plans can be canceled anytime. If a file fails, the credits go straight back to your balance.
Made for people who record on the go
Video creators
Clean up TikTok, Reels and YouTube clips shot outside, in traffic or in the wind.
Podcasts and voice-overs
Use it as an audio cleaner for home recordings: room hum, hiss and fan noise are gone before you edit.
Interviews, lectures and meetings
Make recorded calls, classes and field interviews easy to listen to and transcribe.
Buy credits, or subscribe
1 credit = 1 minute of audio or video with Standard. Enhanced uses 2 credits per minute. Buy a pack that never expires, or subscribe for fresh credits every month. Previews are always free.
Subscriptions
Credits are added at the start of every month of your plan and expire when that month ends. Cancel anytime and keep your plan until the period ends.
Monthly
Flexible, cancel anytime
$16.99/ month
1,800 credits every month
- 30 h Standard · 15 h Enhanced
- Credits refresh every month
- Audio and video files
- Cancel anytime
Yearly
Best value if you record every week
$149.00/ yearSave 27%
$12.42 / month, billed yearly
1,800 credits every month
- 30 h Standard · 15 h Enhanced
- Credits refresh every month
- Audio and video files
- Cancel anytime
Subscriptions renew automatically at the price shown until you cancel. Unused monthly credits do not roll over.
Credit packs
60 credits
For a single recording
$4.99
1 h Standard · 30 min Enhanced
1 credit per minute with Standard, 2 with Enhanced
- Credits never expire
- Standard and Enhanced
- Audio and video files
- Automatic refund if an Enhanced file fails
300 credits
For regular creators
$9.99
5 h Standard · 2.5 h Enhanced
1 credit per minute with Standard, 2 with Enhanced
- Credits never expire
- Standard and Enhanced
- Audio and video files
- Automatic refund if an Enhanced file fails
600 credits
For podcasts and teams
$16.99
10 h Standard · 5 h Enhanced
1 credit per minute with Standard, 2 with Enhanced
- Credits never expire
- Standard and Enhanced
- Audio and video files
- Automatic refund if an Enhanced file fails
Prices in USD. Taxes are calculated at checkout by our payment partner.
Is Denoisa free to use?
Every file gets a free 30-second preview of both Standard and Enhanced, no account needed. Files up to 5 minutes are free to clean with Standard. Longer files and Enhanced use credits from a pack or plan.
What kinds of background noise can it remove?
Traffic and street noise, wind, fans and air conditioning, electrical hum and hiss, keyboard clicks, and chatter in a busy room. It works best when there is one main speaker.
How AI noise removal tells voice from noiseCan I remove background noise from a video?
Yes. Upload an MP4 or MOV and you get the same video back with cleaned sound. The picture is not re-edited.
Will it make my voice sound robotic or muffled?
The model is trained on speech and keeps the voice at its original tone. Very loud noise right on top of the voice can still leave small artifacts, which is why you can preview before paying.
Recording tips for a cleaner resultHow do credits work?
Standard uses 1 credit per minute of audio and Enhanced uses 2, with the length rounded up to the next whole minute per file. Pack credits never expire; plan credits are added every month and expire at the end of that month. Credits are refunded automatically if an Enhanced file fails.
What is the difference between Standard and Enhanced?
Standard runs an open speech-enhancement model (DeepFilterNet 3) inside your browser, so your file never leaves your device. It handles steady noise like traffic, hum, fans and wind well. Enhanced runs a stronger commercial model on our servers and does better with chatter, music and loud rooms. The free preview plays both on your own file so you can choose.
How do I cancel my subscription?
Open My account → Billing and choose Cancel renewal. You won’t be charged again, and your plan and credits stay available until the end of the current period.
What file types and sizes are supported?
MP3, WAV, M4A, AAC, FLAC, OGG, MP4, MOV and WebM. Standard handles files up to 60 minutes and 2 GB. Enhanced handles up to 30 minutes, with audio up to 500 MB and video up to 2 GB.
Is my audio private?
With Standard, your file is cleaned inside your browser and is never uploaded. With Enhanced and the preview, uploads are private, used only to process your file and deleted automatically 24 hours after upload. Cleaned files are kept for 24 hours after they finish. We never use your recordings to train models.
Hear the difference in 30 seconds
Upload a noisy recording and switch between before and after. No account needed for the preview.
Choose a file