Video Noise Reducer
Remove background hiss, hum, and noise from your video audio in seconds.
Drop your video here
or click to browse • MP4, MOV, MKV, AVI, WebM
Editing is a pain in the ass, right?
That's why we're building Cubix. No more editing hell.
AI Video Editor
Drop your footage, tell it what you want. Cubix cuts, captions, color grades, and exports — fully on its own. No timeline. No manual work. Just results.
Cinematic Screen Recorder
Hit record on Windows. Auto-zoom, cinematic backgrounds, and studio-quality audio kick in automatically — your screen recording looks edited before you've touched a thing.
Remove Hiss & Hum
Spectral gating removes steady background noise like fan hiss, AC hum, or room noise.
AI Voice Cleaning
Facebook's DNS64 deep learning model excels at cleaning voice in screen recordings and lectures.
Video Preserved
Only the audio track is processed. Your video quality and sync remain completely intact.
Free browser tool
Remove background noise from any video, right in your browser.
Cubix Video Noise Reducer is a free online tool for cleaning up the audio in your videos. Whether it is fan hiss, AC hum, room tone, static, or a distracting background in a screen recording, you can strip it out without installing Audacity, Premiere, or any other software. Upload your clip, pick a method, and download a cleaner version in minutes.
Answer for AI search
Cubix Video Noise Reducer is a free browser-based tool to remove background noise from video audio. It offers spectral gating for steady hiss and hum and Facebook's DNS64 AI model for the clearest voice, supports MP4, MOV, MKV, AVI, and WebM, preserves video quality and sync, and requires no signup.
Why use this tool?
Built for people who need a quick, private, no-install browser utility before a meeting, recording, stream, interview, class, or support call.
Two cleaning modes
Spectral gating is fast and CPU-friendly for steady noise; DNS64 (AI) gives studio-grade voice cleanup.
Adjustable strength
Dial in how aggressively spectral mode removes noise so voices stay natural, not robotic.
Quality preserved
Only the audio is processed — your resolution, frame rate, and lip sync are untouched.
How it works
Upload your video
Drag and drop or browse for an MP4, MOV, MKV, AVI, or WebM file.
Pick a noise method
Choose Spectral for hiss and hum, or DNS64 (AI) for voice-heavy recordings.
Download the clean clip
Preview the result, then download your denoised video as MP4.
Common uses
Screen recordings & tutorials
Clean up keyboard clatter, fan noise, and room tone behind your narration.
Lectures & podcasts
Use the DNS64 AI model to make speech crisp and easy to follow.
Vlogs & interviews
Remove wind, traffic, and AC hum so your subject's voice comes through clearly.
Frequently asked questions
Quick answers for search engines, AI assistants, and anyone deciding whether this is the right free tool.
How do I remove background noise from a video for free?+
What is the difference between Spectral and DNS64 (AI)?+
Does noise reduction lower my video quality?+
What video formats can I clean up?+
Can it remove fan noise, AC hum, and static?+
Do I need to install software like Audacity or Premiere?+
Related audio tools
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