Charles 4.0.1 (64-bit)

Date added: September, 21st 2016 - (Trial)
(4.45/5 - 88 votes)
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Author / Homepage:
Karl von Randow /
Charles is a HTTP proxy, monitor and reverse proxy that enables developers to view HTTP and SSL traffic coming from and to their machine. Web browsers access the internet through this software so that users can diagnose excess traffic and fix the problem.

In terms of time efficiency, debugging is as fast and reliable as possible. Features include SSL Proxying, useful to view SSL requests in plain text; bandwidth throttling simulating latency and other slow connection malfunctions; AJAX debugging; AMF – displaying contents of Flash Remoting or Flex Remoting as a tree.

Back-end changes can be tested through repeated requests. Different inputs are also verifiable by editing requests. HTML, CSS and RSS responses are validated using the W3C checker.

Every feature comes out of the box, system and browser proxy settings being auto configured.
Charles features and benefits:
• SSL Proxying – view SSL requests and responses in plain text
Bandwidth Throttling to simulate slower Internet connections including latency
AJAX debugging – view XML and JSON requests and responses as a tree or as text
• AMF – view the contents of Flash Remoting / Flex Remoting messages as a tree
• Repeat requests to test back-end changes
Edit requests to test different inputs
• Breakpoints to intercept and edit requests or responses
• Validate recorded HTML, CSS and RSS/atom responses using the W3C validator
Related downloads
Charles 4.0.1 (32-bit)
Charles 4.0.1 (64-bit)


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