Canvas Open v3.0

Protection
Privacy Guard
Block all focus/visibility detection
Show UI Overlay
Floating "Protected" pill on pages
AI Provider
OpenAI
Claude
Gemini
Router
gpt-5.5
Stored locally. Tier 1 ($5 spend) gets full access.
Quiz Tools
Auto-Fill Answers
Fill best previous answers on hover
Homework AI
AI answers with visible dots
Test AI (Stealth)
Auto-run, no visible button
Read-Only Mode
Show answers in side box, no auto-click. No debugger banner.
Hide UI by Default
Box starts hidden; press hotkey to show
Screenshot Mode
For iframe pages (shows debugging bar)
Toggle UI: ⌘⇧A   Apply all: ⌘⇧S
Re-solve: ⌘⇧R   edit
Blocked Sites
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