Free Tool
Remove video backgrounds and add cinematic polish — no green screen
AI background removal, color grading, and upscaling for YouTube, TikTok, and Reels. Runs entirely in your browser.
The problem
Green screens are expensive to set up, require even lighting, and produce visible spill. Dedicated studio software costs hundreds per year. Most free web tools upload your footage to a server, creating a privacy risk and a slow upload-process-download cycle.
The NSS solution
NSS processes video frames with AI background removal directly in your browser. No upload, no subscription. Remove a background from a talking-head clip, apply a cinematic LUT, upscale to 4K-ready resolution, and download — all without leaving your browser.
How to use it
- 1
Remove video background (no green screen)
Upload an MP4, WebM, or MOV clip. The AI processes each frame to isolate your subject, then composites onto a solid colour, blurred background, or custom image. Output as WebM.
- 2
Apply cinematic color grading
Use the Video Filter tool to apply Faded Film, High Contrast, Cool Mist, Warm Glow, or other LUT presets to your footage. Adjust intensity and download.
- 3
Upscale older or low-res footage
Shot on an older camera or phone? The 2× Video Upscaler uses WebGL Lanczos to double the resolution of clips up to 60 seconds, processing each frame in under 2ms.
- 4
Stabilize shaky handheld footage
The Video Stabilizer reduces camera shake using frame-differencing analysis — useful for run-and-gun shooting or handheld b-roll.
- 5
Create transparent-background GIF reactions
Have a short talking-head clip you want as a reaction GIF? Process it through the GIF Background Remover to export a transparent animated GIF.
Step-by-step guide
- 1
Open the Video BG Remover
Navigate to /video-bg-remove. Drop your MP4, WebM, or MOV clip.
- 2
Choose your model
Fast mode (RMBG-1.4) processes clips quicker; Best Quality (BiRefNet) handles complex edges and hair better.
- 3
Set your background
Choose transparent, solid colour, blurred (bokeh), or upload a custom background image.
- 4
Process and preview
Each frame is processed sequentially. A thumbnail preview updates every 10 frames. You'll see an ETA as processing runs.
- 5
Download your clip
Export as WebM (VP9). For MP4 output, run the WebM through your NLE (Premiere, DaVinci Resolve) and re-export.
Common questions
How long does video processing take?
Roughly 1–3 seconds per frame on WebGPU (Chrome/Edge). A 10-second clip at 30 fps = ~5–15 minutes. GPU inference is automatically retried with WASM if WebGPU fails.
What's the maximum clip length?
The video BG remover handles clips of any length, but very long clips may run out of browser memory. We recommend clips under 60 seconds for smooth processing.
Does it work for talking-head YouTube videos?
Yes — talking-head footage with reasonable contrast between subject and background is among the best-performing input for the AI.
Can I use the output on YouTube or TikTok directly?
WebM is supported on YouTube. For TikTok, re-encode to MP4 using any free converter (HandBrake, FFmpeg, or an online tool) before uploading.
Ready to try it?
No account. No subscription. No images uploaded to any server.
Remove video background free→