ProxyPin

ProxyPin 1.3.3+39

Open source free capture HTTP(S) traffic software

  • By wanghongenpin
  • Open Source
  • Updated Sep 29, 2026
Download for Windows

About ProxyPin

Open source free capture HTTP(S) traffic software

What's new in 1.3.3+39

  • Added a built-in MCP server so AI assistants (e.g. Claude) can inspect and debug captured traffic;
  • Added built-in dynamic variables for environments;
  • Request rewrite rules can now be reordered with move up/down actions;
  • Fixed a crash triggered by the Windows context menu;
  • Fixed multi-value headers (e.g. multiple Set-Cookie) being incorrectly merged when handled by scripts or rewrite rules;
  • Fixed h2c (plaintext HTTP/2) capture, non-ASCII domain normalization, and certificate validation failures for IP hosts;
  • Fixed an iOS 13 crash, dropped bodies for close-delimited responses, Android VPN destination-port recording, and other issues.

Full release notes »

Technical details

Publisherwanghongenpin
AuthorWang Hongen
Version1.3.3+39
Release date2026-09-29
LicenseApache-2.0
Installer typeinno
Architecturex64
Package IDwanghongenpin.ProxyPin

Links & install command

Install ProxyPin from the command line with Windows Package Manager (winget):

winget install --id=wanghongenpin.ProxyPin -e

capturedebugnetworkproxyrequestresponsetrafficweb

Older versions

  • 1.3.1+36
  • 1.3.0+35
  • 1.2.9+34
  • 1.2.8+31
  • 1.2.7+30
  • 1.2.6+29
  • 1.2.4+27
  • 1.2.3+26
  • 1.2.2+25