Charles Alternatives for Windows

    There are many alternatives to Charles for Windows if you are looking for a replacement. The best Windows alternative is Fiddler, which is free. If that doesn't suit you, our users have ranked more than 25 alternatives to Charles and 16 are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to Charles are mitmproxy (Free, Open Source), OWASP Zed Attack Proxy (ZAP) (Free, Open Source), Burp Suite (Freemium) and HTTP Toolkit (Freemium, Open Source).

    This page was last updated Oct 15, 2020

    1. Fiddler is a Web Debugging Proxy which logs all HTTP(S) traffic between your computer and the Internet. Fiddler allows you to inspect all HTTP(S) traffic, set breakpoints, and "fiddle" with incoming or outgoing data.
      Fiddler vs Charles opinions
      Most users think Fiddler is a great alternative to Charles.
      Very good Debugging Software
      Positive comment about 5 years ago

      Its open source, has easier UI controls and works best on Windows.
      Positive comment about 4 years ago

      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      mitmproxy is an SSL-capable man-in-the-middle proxy for HTTP. It provides a console interface that allows traffic flows to be inspected and edited on the fly.
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      mitmproxy vs Charles opinions
      Almost everyone thinks mitmproxy is a great alternative to Charles.
      Not as easy to use, but it's really powerful.
      Positive comment over 4 years ago

      Free and open-source, UI doesn't constantly nag you to pay money.
      Positive comment almost 3 years ago

      sames features as charles but less easy to access. If you are not affray about command lines options, go using it.
      Positive comment almost 4 years ago


    2. The Zed Attack Proxy (ZAP) is an easy to use integrated penetration testing tool for finding vulnerabilities in web applications.
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      OWASP Zed Attack Proxy (ZAP) vs Charles opinions
      This alternative is disputed. OWASP Zed Attack Proxy (ZAP) is still a legitimate alternative to Charles, but it might have issues that some users think are important.
      This is security vulnerability finding software, not a proxy observer.
      Negative comment almost 3 years ago

    3. Burp Suite is an integrated platform for performing security testing of web applications.
    4. HTTP Toolkit is a beautiful, cross-platform & open-source HTTP(S) debugging proxy, analyzer & client, with built-in support for modern tools from Docker to Android to GraphQL.
      No screenshots yet

    5. NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows. NetworkMiner can parse PCAP files and regenerate/reassemble transmitted files and certificates from PCAP files with HTTP, FTP, SMB, SMB2, TFTP and several other protocols.
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      • Windows
      • VirtualBox
      • VMware vSphere Hypervisor
      • Microsoft Hyper-V Server
      • Proxmox Virtual Environment
      All CacheGuard products and services are focused on delivering secured and optimized Web contents to our clients. To achieve that goal we made CacheGuard OS which is our core product.
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    6. HTTP Debugger Pro - A Professional HTTP Sniffer and Analyzer for Developers
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    7. HttpFox monitors and analyzes all incoming and outgoing HTTP traffic between the browser and the web servers. It aims to bring the functionality known from tools like HttpWatch or IEInspector to the Firefox browser.


      The project is no longer developed. Last version,, released in May 2014, is not compatible with Firefox, but the extension still works on XUL-based Firefox forks like Waterfox and Pale Moon

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    8. HTTP Analyzer is such a handy tool that allows you to monitor, trace, debug and analyze HTTP/HTTPS traffic in real-time. It is used by industry-leading companies including Microsoft, Cisco, AOL and Google.
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    Showing 10 of 16 alternatives