PrivacyBrowser ExtensionLocal AIProductivity

Local PII Blur for Web

Auto-blur names, addresses and unstructured PII on any web page using local AI before sharing your screen.

Problem
Most existing browser privacy blur tools rely on regex, handling emails, phones and card numbers but missing names or addresses. Some builders have resorted to local AI to solve this, but such tools remain rare and require users to assemble models and rules themselves.
Solution
A browser extension that uses a local small model to detect unstructured PII (names, addresses, account IDs) on web pages and blur or mask it in real time, with manual adjustment. All inference runs locally with no data upload.
Users
Developers, support agents, teachers and privacy-conscious creators who frequently share screens, record tutorials or take screenshots.
MVP
Detect names and addresses in page text with a local OpenAI-compatible model; apply adjustable blur overlays to detected content; allow manual add/remove blur regions; provide a hotkey to toggle blurring; fully local processing.
Revenue
Free basic tier plus paid unlocks for more PII types and custom models; enterprise per-seat subscription.
Why now
Local small models are now good enough for named entity recognition, and remote work plus screen sharing has made privacy masking a mainstream need.

Source discussions · 1

  1. Hacker NewsShow HN: Smart Blur – Auto-Blur PII in the Browser, with a OpenAI Local Model6↑ 4
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