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Packet Surgeon v1.1

Build HTTP requests piece by piece and watch the raw wire format take shape. Load presets, experiment with headers, and simulate real requests to see responses — all from your browser.

Request Builder
0 bytes
Wire Format
Simulated Response Ready
Click "Send Request" to simulate sending your constructed request...

Click a preset to load a realistic HTTP request pattern:

Test your HTTP knowledge with these hands-on challenges: