Debug HTTP
with ease
Intercept, inspect, and rewrite network traffic with native performance and a clean interface
Fast and small by design
Built in Rust
Proxier launches instantly and stays responsive under heavy traffic Minimal memory usage, even during long debugging sessions
Find bottlenecks faster
The waterfall timeline shows exactly when requests start, how long the server takes to respond, and how long data takes to download, making performance issues obvious
Automate your traffic
Script instead of clicking
Use JavaScript to shape traffic the way you need - mock APIs, rewrite headers, or change responses. Built-in TypeScript typings and IntelliSense help you write scripts quickly, and even AI can generate them reliably
Share scripts with your mates
Git support for teams
Use Git to sync scripts across your team. Mock workflows, automate debugging, and review changes together - no cloud, no file sharing, just your repository
Light theme
When dark mode isn’t the vibe
Switch to light mode anytime, or let Proxier match your system theme automatically
Connect AI tools to Proxier
MCP support built in
Expose live Proxier sessions to any MCP client so your assistant can inspect traffic, write a script for you, and help with debugging
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
Configure with ease
Scan the QR code, install the profile, paste the IP and port, and start capturing traffic instantly
Designed for real work
Command palette built in
The command palette lets you trigger actions, control proxy settings quickly - so you stay focused instead of clicking around
Built because I needed it
I use Proxier in my day-to-day work and find it very useful
Hope it helps you too ✌️