Debug HTTP
without the friction
Intercept, inspect, and rewrite network traffic with native performance and a clean interface
Fast by design
Built in Rust
Proxier launches instantly and stays responsive under heavy traffic. Minimal memory usage, even during long debugging sessions.
Everything in one place
Headers, bodies, cookies, and timing, clearly organized and easy to navigate. No clutter, no guessing, just the data you need to debug faster.
Automate your traffic
Script instead of clicking
Write JavaScript to modify requests and responses programmatically. Mock APIs, rewrite headers, or control behavior with reusable scripts.

iOS debugging, simplified
One click setup
Trust certificates in the iOS Simulator with a single click. No Keychain work, no manual steps.

Your traffic stays local
No accounts, no cloud
Runs entirely on your machineNo accounts or sign-inNo cloud syncNo personal trackingAnonymous usage statistics only
Real devices, instant setup
Scan and intercept
Scan a QR code and start capturing traffic immediately. No IP entry, no port confusion.
Designed for the keyboard
Command palette built in
Trigger actions, manage sessions, and toggle proxy settings without leaving the keyboard. Stay focused while you work.
See what’s really happening
Full visibility into every request and response, in real time