Open Source Fiddler Alternatives for Mac

Fiddler is not available for Mac but there are plenty of alternatives that runs on macOS with similar functionality. The best open source Mac alternative is mitmproxy. If that doesn't suit you, our users have ranked more than 25 alternatives to Fiddler and 12 are open source and available for Mac so hopefully you can find a suitable replacement. Other interesting open source Mac alternatives to Fiddler are HTTP Toolkit, Zed Attack Proxy (ZAP), Advanced REST Client and Requestly.

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Fiddler alternatives page was last updated

Alternatives list

  1. mitmproxy icon
     78 likes

    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. It also features mitmdump, a commandline tool that provides a tcpdump-like interface for saving, viewing and...

    24 mitmproxy alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    • Flatpak
     
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    3
    Comments about mitmproxy as an Alternative to Fiddler
    Guest
    Positive
    4

    mitmproxy is able to edit response data

    Review by a new / low-activity user.
    Guest
    Positive
    0

    mitmproxy is free and well featured, but fiddler does have an easier workflow to start with

    Review by a new / low-activity user.
    Guest
    Positive
    0

    It's able to analyze http requests made by other proxies, many other of the alternatives here only allow creating requests

    Review by a new / low-activity user.
    mitmproxy icon
    mitmproxy icon
    • mitmproxy is Free and Open SourceFiddler is Freemium and Proprietary
  2. HTTP Toolkit icon
     93 likes

    HTTP Toolkit is a beautiful, cross-platform & open-source HTTP(S) debugging proxy, analyzer & client, with built-in support for modern tools and automatic interception for clients from Docker to Android to iOS.

    51 HTTP Toolkit alternatives

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • Docker
     
  3. The Zed Attack Proxy (ZAP) is an easy to use integrated penetration testing tool for finding vulnerabilities in web applications.

    31 Zed Attack Proxy (ZAP) alternatives

    Cost / License

    Platforms

    • Mac
    • Windows
    • Linux
    • Java
     
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    1
    Comments about Zed Attack Proxy (ZAP) as an Alternative to Fiddler
    Guest
    Negative
    6

    ZAP is a proxy for attacks, not a proxy for development

    Review by a new / low-activity user.
    Zed Attack Proxy (ZAP) icon
    Zed Attack Proxy (ZAP) icon
    • Zed Attack Proxy (ZAP) is Free and Open SourceFiddler is Freemium and Proprietary
  4. API testing tool. Which allows web developers to create and test custom HTTP requests.

    72 Advanced REST Client alternatives

    Cost / License

    • Free
    • Open Source

    Application types

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • Chrome OS
    • AppImageHub
    • Google Chrome
    • Chromium
     
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    1
    Comments about Advanced REST Client as an Alternative to Fiddler
    Guest
    Negative
    5

    Fiddler is a Proxy tool used to intercept and examine HTTP requests not to create an test HTTP requests.

    Review by a new / low-activity user.
    Advanced REST Client icon
    Advanced REST Client icon
    • Advanced REST Client is Free and Open SourceFiddler is Freemium and Proprietary
  5. Requestly icon
     32 likes

    Requestly is a lightweight proxy available as a browser extension & desktop app to intercept & modify network requests. Using Requestly you can Modify Headers, Redirect Url, Mock API response, Delay/Throttle requests, etc.

    32 Requestly alternatives

    Cost / License

    • Freemium
    • Open Source

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Microsoft Edge
    • Google Chrome
    • Software as a Service (SaaS)
    • Selenium
    • Firefox
     
  6. Stoplight icon
     12 likes

    Stoplight is an API Design, Development, and Documentation platform that enables consistency, reusability, and quality, all with an easy, enjoyable developer experience.

    Cost / License

    • Freemium
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
     
  7. ArdorQuery icon
     1 like

    ArdorQuery is a cross-platform tool for performing any HTTP(S) endpoints like REST API, HTML, Images, GraphQL, OData etc.

    Cost / License

    Application types

    Platforms

    • Mac
    • Linux
    • Flathub
     
  8. James icon
     5 likes

    James is a HTTP Proxy and Monitor that enables developers to view and intercept requests made from the browser. It is an open-source alternative to the popular developer tool Charles.

    Cost / License

    • Free
    • Open Source

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    • React
    • Electron / Atom Shell
    • Node.JS
     
  9. G-Earth icon
     2 likes

    Cross-platform Habbo packet manipulator.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Windows
    • Mac
    • Linux
     
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    1
    Comments about G-Earth as an Alternative to Fiddler
    c3maw
    Negative
    0

    Not even in the same category. Fiddler is a HTTP/S request analyzer and proxy.

    G-Earth icon
    G-Earth icon
    • G-Earth is Free and Open SourceFiddler is Freemium and Proprietary
  10. Termshark icon
     Like

    If you're debugging on a remote machine with a large pcap and no desire to scp it back to your desktop, termshark can help!

    53 Termshark alternatives

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
     
  11. ReqRes icon
     2 likes

    ReqRes is an open-source, high-performance, modern native web debugging proxy for macOS. It lets you capture, inspect, modify, and intercept HTTP(S) traffic in real time.

    8 ReqRes alternatives

    Cost / License

    • Freemium
    • Open Source

    Platforms

    • Mac
     
  12. TUI tool for generating packets of arbitrary input and monitoring packets on any network interfaces (default: eth0). The list of interfaces to be specified is output when packemon --interfaces is run. This tool works on Windows, macOS, and Linux.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Homebrew
     
12 of 12 Fiddler alternatives