— 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.
Weekly trend alerts
Get notified when your exposure spikes so you can adjust sources and habits.
Local encryption by default
Caspian conversations and dashboard data are encrypted locally; we can't read them.
Gamified discovery
Earn badges for spotting manipulation and learn faster.
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.