No Mac required. Upload your IPA, select your developer certificate, and sign your app in seconds — from any device.
Powered by zsign WebAssembly. Signs Mach-O binaries and injects entitlements just like Xcode does.
Upload your .p12 and .mobileprovision once. They're stored securely to your account for future sessions.
One-tap OTA installation directly from your browser. No computer, no AltStore, no USB.
Signing happens in your browser using WebAssembly. Your IPA files never leave your device during signing.
Works on iPhone, iPad, Mac, Windows — any browser. No app download, no complex setup required.
Your certificates and signed apps are saved to your account. Access them from any device, anytime.
Add Lightning Sign to your iPhone Home Screen for the fastest access, or use it directly in Safari.