zhttp
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Debug
every
request
An HTTPS proxy for Windows and macOS. Pause, edit and replay any request, and the server still sees your app's own fingerprint.
Download for Windows0.3.0 · Windows and macOS
Debug
zhttp for Desktop
Every host, request, body and handshake in one window, as it arrives.
Features
Pause a request or a response on its way through. Edit the status, headers or body, then resume or drop it.
Answer any URL with a file from disk, until you untick the rule.
Leave pinned or private hosts encrypted, one by one or with a wildcard.
A built-in MCP server. Your agent can search, diff and replay everything you captured.
Send any captured request again, with your app's own TLS and HTTP/2 fingerprint.
Write a new request from any captured one with Ctrl+E. It goes out the same way your app's would.
The same JA4 on both sides
From your app
t13d2014h2_a09f3c656075_14788d8d241b
At the server
t13d2014h2_a09f3c656075_14788d8d241b
JA3, HTTP/2 settings and header order match too.
zhttp for Terminal
The engine runs on its own, with a key log for Wireshark.
Recordings
Save a session, open it later, or drop it on the window.
iphone.zhttppixel.har
Start capturing