BlurBox

Upload a screen recording (up to 10 minutes) — it scans every frame and blurs names, emails, passwords, credit cards, IDs and other personal info. Same resolution, audio untouched.

🔒 100% private — your video is processed in your browser and never uploaded anywhere

⚠ This browser doesn't support the video engine BlurBox needs (WebCodecs). Please use Chrome or Edge on desktop.

1 · Video

Drop an .mp4 here — or click to choose

Max 10 minutes · up to 500 MB · H.264 mp4

No video handy? Try the sample (fake emails, cards & names)

2 · How much to blur

🙂 Soft Only the dangerous stuff: emails, credit cards, phone numbers, passwords, SSNs, IPs, API keys & IDs. 😶 Middle Soft + names, addresses & locations and usernames/@handles. 🕶️ Everything Blurs all readable text on screen. Maximum privacy.

Fine-tune exactly what gets blurred with the checkboxes (disabled in Everything mode).

3 · Blur style

GaussianClassic smooth blur. PixelateMosaic censor blocks. Black barSolid redaction bar.

Strength 70 Scan detail

Working…

Starting…

Processing happens on your computer — bigger videos and Thorough mode take longer. Keep this tab open.

Done

⬇ Download blurred MP4