🔌 One-click setup for your browsers, servers & scripts

📝 Intercept, debug & rewrite any HTTP(S)

🤯 Override endpoints & mock whole services

💥 Inject errors, failed connections & timeouts

🧪 Breakpoint & edit to explore edge cases

If you do web dev, you too probably wake up at 4am screaming about CORS. The 1000th time, I decided to fix this once and for all. Tell this page what you're doing & what you want, and it'll explain what happens & what to do, all the way to ready-to-use code.