— Install
Two minutes. One click each.
Defog is a browser extension and a mobile keyboard. Pick your platform — install — open any feed — feel the difference.
Shareable exposure card
Post your weekly score to social to spark conversations about digital hygiene.
Community sighting feed
See where others have seen the same image — collective context beats isolated claims.
Custom redaction controls
Choose what to redact automatically and what to review manually.
Compatible Platforms
Defog is both a desktop chromium and safari browser extension, and a mobile phone app for android and iphone.
— Browser
Firefox
Manifest V2 still respected.
Recommended if you want the deepest content-script power.
Add to Firefox— Mobile
Android
Defog Keyboard.
A drop-in keyboard that catches PII and AI-generated nudges before you tap send.
Get on PlayWhat you get on install
What you get on install
- Inline AI detection on every feed (X, Reddit, LinkedIn, IG, TikTok web, news sites)
- Manipulation Lens turned on by default
- Prompt Firewall hooks into 27+ AI providers (ChatGPT, Claude, Gemini, Copilot, Perplexity, Mistral, etc.)
- Weekly Reality Score email · unsubscribe in one click
- Zero account required — fully anonymous starter mode
Stay informed
Sign up for announcements
Have any questions?
Talk to the team that built Defog — security and product engineers, not a sales desk.