Remove Background Noise from Audio & Video
Remove background noise from your recordings in seconds — right inside your browser. No upload, no signup, no watermark. Drop in an MP3, WAV, MP4, or MOV and get clean audio back instantly.
Drop your audio or video file here
Max 500MB · 100% local processing · no upload · no watermark
Need to generate a video instead of cleaning one? Try our AI video generator — Veo 3, Kling, Seedance and more.
Generate videoWhat is remove background noise?
Remove background noise is an audio cleaning process that strips away unwanted ambient sound — hiss, hum, fan noise, wind, echo — from a recording while keeping the voice or music you want intact.
Our tool runs the same professional FFT-based noise reduction used in podcast and film post-production, directly in your browser.
When you drop in a file, we use FFmpeg's afftdn (adaptive FFT-based denoise) filter to analyze the audio spectrum and suppress noise across all frequencies. The video stream (if any) is copied untouched, so there's no quality loss on the picture and the operation stays fast. Everything happens locally on your machine — your file never gets uploaded to a server.
How the noise reduction works
The afftdn filter builds a real-time noise profile from the quietest moments of your recording, then subtracts that noise floor from the entire track. The result is noticeably cleaner speech and music, without the muddy artifacts that simple EQ or gate plugins leave behind.
Private by design
Your audio never leaves your device. There's no upload, no account, no server-side storage. That makes this tool safe for confidential interviews, business calls, or personal voice memos — anything you wouldn't want sitting on a stranger's hard drive.
Why creators choose our background noise remover
A free, private, no-watermark denoiser that actually sounds good — built for the way people record today.
Tired of these recording problems?
Hiss, hum, and fan noise
Air conditioners, laptop fans, and cheap microphones leave a constant hiss under everything you record. It sounds amateur and drains energy from your voice.
Expensive, complex software
Audition, iZotope RX, and Pro Tools cost hundreds of dollars and take hours to learn. Most people just want clean audio without a learning curve.
Upload-privacy worries
Cloud denoisers ask you to hand over private interviews, business calls, or client recordings to a stranger's server. That's a non-starter for most professionals.
Why our tool is different
100% local — your files never upload
Everything runs in your browser via WebAssembly. Your recordings stay on your device. No server processing, no storage, no privacy policy to read.
Works on audio and video
Drop in a podcast MP3, a Zoom MP4, a voice memo, or a vlog clip. Audio files get denoised directly; video files keep their picture untouched and only clean up the audio track.
Three strength levels
Light for subtle cleanup, Standard for everyday noise, Strong for aggressive speech cleanup. Pick what fits your source material instead of fighting a one-size-fits-all preset.
No watermark, ever
The file you download is the file you cleaned. No logo overlay, no audio beep, no 'trial version' tag. Free means free.
Fast — no queue, no upload wait
Because there's no upload, processing starts instantly. A 5-minute clip typically finishes in seconds, not the minutes a cloud service would take to receive it.
Works offline after first load
Once the FFmpeg engine is cached, you can close your wifi and keep denoising files. Perfect for flights, cafes, or anywhere with a shaky connection.
How to remove background noise in 3 steps
No account, no learning curve — drop, denoise, download.
Upload your audio or video
Drag and drop an MP3, WAV, FLAC, M4A, OGG, MP4, MOV, MKV, or WebM file. Files up to 500MB are supported and never leave your browser.
Pick a strength
Choose Light, Standard, or Strong based on how aggressive your noise problem is. You can preview the result and re-run with a different setting if needed.
Download the clean file
Hit Remove background noise and your cleaned file is ready in seconds. Download in the same format you uploaded (video stays MP4).
Tip: for speech and interviews, Strong usually sounds best. For music or ambient recordings, start with Light to avoid removing intentional audio.
Built for clean audio, built for privacy
Everything you need to remove background noise from a recording — and nothing you don't.
100% in-browser processing
Runs entirely on your device via FFmpeg.wasm. No server roundtrip, no upload bandwidth used, no file sitting on someone else's disk.
Audio and video support
Denoise MP3, WAV, FLAC, M4A, and OGG directly. For MP4, MOV, MKV, and WebM, the video stream is copied untouched and only the audio is cleaned.
Three strength presets
Light, Standard, and Strong map to different FFT denoise intensities plus an optional highpass filter — so you can match the tool to the source.
No watermark, no signup
Free with no strings attached. No account required, no email confirmation, no trial period. The output is yours, clean.
Instant results
Most clips process faster than real-time. A 5-minute podcast takes seconds, not the minutes a cloud-based denoiser would take to even receive the file.
Works offline
Once the FFmpeg core is loaded, the tool keeps working without an internet connection. Great for travel, flights, or spotty cafe wifi.
Who uses a background noise remover?
Anyone who records audio — and that's almost everyone in 2026.
Podcasters
Clean up home-studio recordings plagued by HVAC hum, laptop fan whir, and room echo before publishing. Save episodes that would otherwise need a re-record.
Vloggers and YouTubers
Fix on-location audio from vlogs, B-roll, and run-and-gun shoots where wind and traffic noise ruined an otherwise perfect take.
Journalists and interviewers
Salvage sensitive interviews recorded in noisy cafes, cars, or conference halls — without uploading confidential audio to a cloud service.
Lecturers and educators
Clean up recorded lectures, Zoom classes, and tutorial videos so students can actually hear what's being said over projector fans and chatter.
Musicians and voice actors
Strip noise from demo recordings, scratch vocals, and audition tapes recorded in less-than-ideal acoustic spaces before sending them to a client.
Remote workers and teams
Polish recordings of Zoom, Teams, and Google Meet calls — remove keyboard clatter, fan noise, and barking dogs before sharing with stakeholders.
What people say
Creators, professionals, and hobbyists cleaning up their audio every day.
“I record podcasts in a tiny home office with a loud AC unit. This tool cleaned up my latest episode in seconds — no upload, no signup, no $200 plugin. Genuinely saved the episode.”
Maya Chen
Podcast host
“I had a client interview recorded in a noisy coffee shop and thought it was unsalvageable. The Strong setting pulled the voice right out. Client couldn't believe it was the same file.”
David Park
Freelance journalist
“I shoot vlogs on my phone and wind noise is my nemesis. Being able to drop in an MP4 and get clean audio back without re-encoding the video is exactly what I needed. Free is wild.”
Sofia Ramirez
Travel vlogger
Frequently asked questions
Everything you might want to know about removing background noise in the browser.
Remove background noise is the process of stripping unwanted ambient sound — hiss, hum, fan noise, wind, echo, keyboard clatter — out of an audio or video recording while keeping the voice or music you want intact. This tool uses FFmpeg's afftdn (adaptive FFT-based noise reduction) filter, which analyzes the noise floor of your recording and subtracts it across the frequency spectrum. It runs entirely in your browser via WebAssembly, so nothing ever gets uploaded.