Tech riderRev. 4 Oct 2026

Charles

Ch 087.3of 27 Web Debugging Proxies

1Runs oniOS, Linux, Mac, Windows
2Costsfree trial
3Request/response editingYes
4Breakpoint rulesYes
5Traffic replayYes
6Response mockingYes
7WebSocket inspectionYes
8Proxy chainingYes

8 lines stated Written from the maker's own pages: charlesproxy.com

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Overview

Charles is ranked #8 of 27 in web debugging proxies on Specifiction. It runs on iOS, Linux, macOS, Windows. There is no free plan. A free trial is offered.

Charles plans and pricing

All plans

10+ User Licenses $30 once USD $30 / license (40% discount) 10+ licenses · valid for current major version and updates before next major version charlesproxy.com · 4 Oct 2026

5+ User Licenses $40 once USD $40 / license (20% discount) 5+ licenses · valid for current major version and updates before next major version charlesproxy.com · 4 Oct 2026

1–4 User Licenses $50 once USD $50 / license 1–4 licenses · valid for current major version and updates before next major version charlesproxy.com · 4 Oct 2026

Site License $400 once USD $400 Use on any computer at one site · valid for current major version and updates before next major version charlesproxy.com · 4 Oct 2026

Multi-Site License $700 once USD $700 Use on any computer at multiple sites · valid for current major version and updates before next major version charlesproxy.com · 4 Oct 2026

Compared on web debugging proxies

Free plan: Nocharlesproxy.com
Request/response editing: Yescharlesproxy.com
Breakpoint rules: Yescharlesproxy.com
Traffic replay: Yescharlesproxy.com
Response mocking: Yescharlesproxy.com
WebSocket inspection: Yescharlesproxy.com
Proxy chaining: Yescharlesproxy.com

Facts

Purpose: Charles is a web proxy and HTTP monitor that runs on your computer and records and displays data sent and received by browsers or other internet applications configured to use it.charlesproxy.com · 4 Oct 2026
Traffic inspection: Charles lets developers view HTTP and SSL/HTTPS requests, responses, headers, cookies, and caching information.charlesproxy.com · 4 Oct 2026
HTTPS debugging: SSL Proxying lets Charles act as a man-in-the-middle for HTTP/SSL communication so users can debug HTTPS session contents.charlesproxy.com · 4 Oct 2026
Network simulation: Bandwidth throttling and added latency simulate slower internet connections.charlesproxy.com · 4 Oct 2026
Formats and protocols: Charles natively supports JSON, JSON-RPC, and SOAP in a simplified tree format, and supports Flash Remoting AMF0 and AMF3.charlesproxy.com · 4 Oct 2026
Request controls: Users can repeat and edit requests and set breakpoints to intercept and edit requests or responses.charlesproxy.com · 4 Oct 2026
Platforms: The desktop application is offered for Windows, macOS, and Linux, and Charles also has an iOS app for capturing traffic on the device.charlesproxy.com · 4 Oct 2026
iOS capabilities: The iOS app captures HTTP and HTTPS traffic, supports SSL Proxying, and can share individual requests or sessions with desktop Charles.charlesproxy.com · 4 Oct 2026
Privacy and data handling: Charles captures traffic only while recording is enabled and stores captured data on the user's computer; the developers say they do not have access to it.charlesproxy.com · 4 Oct 2026
Update telemetry: Charles periodically contacts a developer-controlled server to check for updates, sending operating system and Charles version information that is kept in aggregate without personally identifying information.charlesproxy.com · 4 Oct 2026
Support: The maker directs users to the documentation and invites them to contact support if documentation does not resolve their issue.charlesproxy.com · 4 Oct 2026
License scope: A user license allows use on one computer at a time, with a second computer allowed when the same person uses both installations; site licenses cover a site and multi-site licenses cover multiple sites.charlesproxy.com · 4 Oct 2026
Organization: Charles is developed by XK72, and its EULA identifies XK72 Limited at an Auckland, New Zealand address.charlesproxy.com · 4 Oct 2026