API Locker

Store, organize & auto-suggest API keys in Chrome. AES-256 encrypted. Smart site detection. Your keys never leave your device.

API Locker is a secure, local-first API key manager for developers. 🔐 AES-256-GCM encryption — your keys are encrypted before storage 🏠 100% local — no servers, no databases, no telemetry ⚡ Smart detection — automatically detects popular API provider sites 📋 One-click copy — grab your key instantly from any page 🔒 Session lock — vault auto-locks when you close the browser HOW IT WORKS 1. Set a master password to create your encrypted vault 2. Add your API keys with provider names 3. Visit any supported API provider site — API Locker detects it automatically 4. Click the badge → see your keys → copy with one click Works seamlessly with the tools developers use every day — from AI platforms to payment processors, cloud providers, and developer infrastructure services. PRIVACY & SECURITY • All encryption happens locally in your browser (WebCrypto API) • Master password is never stored — only used to derive the encryption key • PBKDF2 with 100,000 iterations for key derivation • Zero telemetry, zero network requests, zero servers Perfect for developers and indie hackers who work with multiple APIs daily.