hackr interceptor
HTTP interception.
No installs.
Intercept, modify, and replay HTTP traffic without installing anything. Built for the hackr.gg labs — no proxy config, no CA certs, just hack.
Live Preview
Watch it work
Intercepted Request
Waiting for request…
Request History
No requests yet
Simulated — open the real tool to intercept your lab traffic
How it works
Four steps to owning the lab
01
Open Interceptor
Click "Launch Interceptor" — it spins up in your browser instantly.
02
Start attack box
In your lab, click "Start" to spin up the target. Interceptor automatically routes your traffic.
03
Intercept the request
Toggle intercept on. Browse the target normally. Requests freeze for you to inspect and modify.
04
Find the vuln
Tamper with params, headers, tokens. Forward or drop. Send to Repeater for deep-dive testing.
Features
Everything you need
⇄
Intercept & Modify
Catch live HTTP requests and responses before they reach the server. Edit headers, bodies, and params on the fly.
⟳
Repeater
Replay any request as many times as you want with custom modifications. Perfect for manual testing of parameters.
≡
Fuzzer
Brute-force endpoints with custom wordlists. Discover hidden IDs, files, and params automatically.
✦
Request History
Every request captured and searchable. Go back to any point in your session and replay or modify it.
⊞
WebSocket Support
Intercept and modify WebSocket frames in real time — essential for modern web app testing.
⊘
No Install
Runs fully in the browser. No proxy setup, no CA cert headaches. Just open and start testing.