Charles Fiddler For Mac

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Charles Fiddler For Mac
  • Aside from Fiddler, Charles and Poster (Firefox plug in). Are there any other free to use https interception (and editing) applications out there? Especially ones which can be installed w/o admin privileges. Achilles comes to mind, but I don't think it can handle https traffic. Security http testing https.
  • NetTool is a developer tool for monitoring and manipulating application-level network messages, particularly useful for debugging web applications and web services. There are two components to NetTool: the HTTP Client, and the TCP Tunnel. 1 Paros is for web application security assessment. It is free of charge and completely written in Java. Through Paros's proxy nature, all HTTP and HTTPS.


I'm in the process of testing my application with respect to security.

Aside from Fiddler, Charles and Poster (Firefox plug in). Are there any other free to use https interception (and editing) applications out there? Especially ones which can be installed w/o admin privileges.

Achilles comes to mind, but I don't think it can handle https traffic.

edited Jul 23 '12 at 8:46reevesy 2,906 1 18 22 asked Oct 15 '08 at 20:31 IaCoder 4,034 8 25 43

closed as off-topic by bummi, rene, Yvette Colomb, TigerhawkT3, CRABOLO Dec 20 '15 at 23:40

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • 'Questions asking us to recommend or find a book, tool, software library, tutorial or other off-site resource are off-topic for Stack Overflow as they tend to attract opinionated answers and spam. Instead, describe the problem and what has been done so far to solve it.' – bummi, rene, Yvette Colomb, TigerhawkT3, CRABOLO
If this question can be reworded to fit the rules in the help center, please edit the question. FWIW, you can xcopy-deploy Fiddler; it doesn't actually require admin. – EricLaw Jun 28 '09 at 21:44 haha cus ur topic i got to know few more like these now ;) ty – STEEL Apr 1 '15 at 11:09 There's an open-source alternative now: – Julian Hollmann Jun 27 '16 at 21:17

8 Answers


Achilles does work on HTTPS traffic, but they note on their site that it is not the best tool any more.

Charles Proxy Vs Fiddler

Their suggestions are Burp Suite and WebScarab both of which I highly recommend.

edited Nov 26 '13 at 10:31borisdiakur 5,107 4 40 68 answered Oct 24 '08 at 17:28 CalvinTreg 283 1 3 11 +1 for burp suite. Highly effective, intuitive, and free. – Lotus Nov 22 '13 at 14:26 Instead of WebScarab should use ZAProxy. See first link for info. – Ajeeb.K.P Sep 2 '16 at 5:50

Wireshark is amazing. It captures everything on the network so you'll need to filter down to http/https:

edited Oct 15 '08 at 22:40 answered Oct 15 '08 at 21:00 Corbin March 21.9k 6 50 95

Doing more research I came across Paros Proxy. Seems to be a good alternative to the others.

answered Oct 16 '08 at 21:10 IaCoder 4,034 8 25 43

There are a few programs that I would suggest.

Paros Proxy and Ratproxy have already been noted.

scapy is a powerful packet manipulation tool, and has all of the sniffing and monitoring capabilities as well. dsniff is a suite of tools that allows manipulation, injection, and all sorts of interception and modification options.

There is also a plugin for IE called Tamper IE that has a simple GUI based packet editor.

All of these are free.

answered Oct 24 '08 at 17:23 CalvinTreg 283 1 3 11 +1 for scapy. An awesome low-level packet inspection library for Python. – Lotus Nov 22 '13 at 14:26

OWASP ZAP - its free, open source and cross platform.

Its also the most active open source web security tool and came first and second in the last 2 'Top Security Tools' surveys run by (2013, 2014)


It was originally forked from Paros, which is no longer maintained, but it now has loads more functionality.

Its an OWASP Flagship project having replaced WebScarab, which is also essentially no longer maintained.

Simon (ZAP Project Lead)

answered Mar 1 '15 at 11:54 Psiinon 1,091 1 5 10

I'd strongly recommend HttpWatch. I believe the basic version is free and captures your HTTPS traffic to some extent. The Professional version is worth the money.

answered Oct 15 '08 at 21:32 Gabriel Isenberg 9,071 3 28 53

Have a look at ratproxy. It may not be exactly what you're asking for, but is very useful in testing the security of your web app.

Rather than intercepting HTTP and allowing you to edit or replay requests, it installs as a proxy and monitors the normal use of your web app, and then provides a report on possible security issues, along with their severity. It can also be configured to attempt active XSS or XSRF attacks where it thinks there is a vulnerability.

The site says 'Ratproxy is currently believed to support Linux, FreeBSD, MacOS X, and Windows (Cygwin) environments' but I've only used it on Linux.

answered Oct 16 '08 at 21:35 TimB 4,355 2 18 27

Check HTTP Debugger Pro

Charles Fiddler For Mac

It is proxy-less solution and have zero impact to the transferring data.

Also it has modern user interface :)

Charles Fiddler For Mac

Charles Fiddler For Mac Osx

answered Mar 21 '14 at 10:23 Khachatur 422 1 6 16 Just for feature readers coming across this page: 'modern user interace' means a ribbon clone in this case (ala Microsoft Office)... – David Mulder Sep 5 '14 at 7:15 not only :) It comes with a 'report control' that allows group, filter and sort http sessions and get some quic statistics for selected sessions (size by domains, by content types, gzip statistics, etc). Did you ever run it before posting your comment about ribbon? – Khachatur Sep 11 '14 at 4:32

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