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Beta Releases

The beta releases of Charles introduce new functionality for testing. Beta releases will generally be announced and documented on my blog.


The latest beta version of Charles is 4.0.2b1. Please check that this is newer than the latest release version (4.0.1) before downloading.

Notes for v4.0.1

This beta includes the following bug fixes:

  • Local Address menu now reports IPv4 and IPv6 addresses clearly
  • PCAP file import improvements
  • Fix Repeat tool faults
  • Avoid resolving the remote address twice in some cases
  • Ensure throttle settings are applied to repeated HTTP2 requests

See the version history for details of previous releases.


Windows 32 bit (msi, 71.4 MB)

Windows 64 bit (msi, 75.3 MB)

Mac OS X (dmg, 51.7 MB)
Compatible with Mac OS X 10.7 - 10.12.

Linux (tar.gz, 12 MB)
Or use the Charles Proxy APT repository for Debian-based Linux distributions.