HTTP Toolkit AlternativesOnly apps categorised as HTTP(S) Debuggers

The best HTTP(S) Debugger alternative to HTTP Toolkit is Fiddler, which is free. If that doesn't suit you, our users have ranked more than 25 alternatives to HTTP Toolkit and nine of them are HTTP(S) Debuggers so hopefully you can find a suitable replacement. Other interesting HTTP(S) Debugger alternatives to HTTP Toolkit are Hoppscotch, mitmproxy, Charles and Proxyman.

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HTTP Toolkit alternatives are mainly HTTP(S) Debuggers, but if you're looking for HTTP Clients or Web Debuggers you can filter on that. These are just examples - use the filter bar below to find more specific alternatives to HTTP Toolkit.
HTTP Toolkit iconHTTP Toolkit
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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.

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HTTP Toolkit alternatives page was last updated May 12, 2025
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  1. Fiddler icon

    Fiddler

     203 likes
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    Web Debugging Proxy that logs all HTTP(S) traffic for comprehensive analysis. It allows manipulation of traffic, supports scripting, and extends with .NET. Debugs virtually any application, implementing man-in-the-middle interception with self-signed certificates. Freeware, ideal for developers.

    46 Fiddler alternatives

    License model

    • Freemium • Proprietary

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Windows
    Fiddler screenshot 1

    Fiddler Features

    1.  HTTP Monitoring
    2.  Debugging
    3.  HTTP Proxy
    4.  Traffic Monitoring
    5.  One click installation

    Fiddler VS HTTP Toolkit

     
  2. Hoppscotch icon

    Hoppscotch

     39 likes
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    Hoppscotch is an open-source API development ecosystem. It helps you create your requests faster, saving you precious time on your development.

    65 Hoppscotch alternatives

    License model

    • Free • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Online
    • Self-Hosted
    Hoppscotch screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  REST API
    2.  Ad-free
    3.  GraphQL API
    4.  Websocket streams
    5.  Command line interface
    6.  Portable
    7.  Browser-based
    8.  Cross browser testing

    Hoppscotch VS HTTP Toolkit

     

    • Hoppscotch is the most popular Web-based & Self-Hosted alternative to HTTP Toolkit.

    • Hoppscotch is Free and Open SourceHTTP Toolkit is Freemium and Open Source
    • Hoppscotch is LightweightHTTP Toolkit is not according to our users
  4. mitmproxy icon

    mitmproxy

     69 likes
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    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...

    17 mitmproxy alternatives

    License model

    • Free • Open Source

    Application types

    Platforms

    • Mac
    • Windows
    • Linux
    • Flathub
    • Flatpak
    mitmweb

    mitmproxy Features

    1.  Web page Debugging
    2.  HTTP(S) Debugging
    3.  SSL
    4.  Debugging
    5.  Support for scripting
    6.  Intercepting HTTP calls

    mitmproxy VS HTTP Toolkit

     
  5. Charles icon

    Charles

     65 likes
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    Charles is an HTTP proxy / HTTP monitor / Reverse Proxy that enables a developer to view all of the HTTP and SSL / HTTPS traffic between their machine and the Internet. This includes requests, responses and the HTTP headers (which contain the cookies and caching information).

    26 Charles alternatives

    License model

    Application types

    Country of Origin

    • NZ flagNew Zealand

    Platforms

    • Mac
    • Windows
    • Linux
    • iPhone
    • iPad
    Charles screenshot 1

    Charles Features

    1.  Debugging
    2.  HTTP Monitoring

    Charles VS HTTP Toolkit

     

    • Charles is the most popular iPhone & iPad alternative to HTTP Toolkit.

    • Charles is the most popular commercial alternative to HTTP Toolkit.

    • Charles is Paid and ProprietaryHTTP Toolkit is Freemium and Open Source
  6. Proxyman icon

    Proxyman

     13 likes
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    Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains. Available on macOS, iOS, Windows & Linux.

    50 Proxyman alternatives

    License model

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    • iPhone
    Native macOS app.

    Proxyman Features

    1.  Website Monitoring
    2.  Dark Mode
    3.  Ad-free
    4.  No registration required
    5.  Detailed packet analysis
    6.  Intercepting HTTP calls
    7.  IPhone debugging
    8.  Debugging
    9.  SSL
    10.  Native application

    Proxyman VS HTTP Toolkit

     
    Comments about Proxyman as an Alternative to HTTP Toolkit
    NghiaTranUIT
    Positive •May 6, 2019
    0

    It's exclusive build for macOS and fix all ugly side of Charles, Fiddler

    HTTP Toolkit Icon
    Proxyman icon
    • Proxyman is Paid and ProprietaryHTTP Toolkit is Freemium and Open Source
  7. Requestly icon

    Requestly

     30 likes
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    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.

    28 Requestly alternatives

    License model

    • Freemium • Open Source

    Application types

    Country of Origin

    • US flagUnited States

    Platforms

    • Mac
    • Windows
    • Linux
    • Online
    • Microsoft Edge
    • Google Chrome
    • Software as a Service (SaaS)
    • Selenium
    • Firefox
    Modify HTTP Headers

    Properties

    1.  Lightweight

    Features

    1.  Intercepting HTTP calls
    2.  Requests monitoring
    3.  Bug reporting
    4.  Web page Debugging
    5.  One click interception
    6.  Android Development
    7.  HTTP(S) Debugging
    8.  Real time collaboration
    9.  Ad-free
    10.  Dark Mode
    11.  REST Client
    12.  Command line interface

    Requestly VS HTTP Toolkit

     

    • Requestly is the most popular SaaS alternative to HTTP Toolkit.

    • Requestly is Freemium and Open SourceHTTP Toolkit is also Freemium and Open Source
    • Requestly is LightweightHTTP Toolkit is not according to our users
  9. HttpMaster icon

    HttpMaster

     7 likes
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    Practical and easy-to-use software tool for testing HTTP applications and services.

    License model

    • Free • Proprietary

    Application types

    Platforms

    • Windows
    HttpMaster screenshot 1

    Properties

    1.  Lightweight

    Features

    1.  Command line interface
    2.  Ad-free
    3.  Portable
    4.  Request Chaining
    5.  Website testing
    6.  REST API

    HttpMaster VS HTTP Toolkit

     
  10. httptools.dev icon

    httptools.dev

     3 likes
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    Online tool for inspecting and debugging HTTP requests and checking common cases like headers, gzip compression, HSTS implementations or HTTP redirects. Encode or decode base64 and URL encoding.

    License model

    • Free • Proprietary

    Platforms

    • Online
    HTTP redirect checker

    httptools.dev Features

    1.  Base64 decode
    2.  JSON Pretty Print
    3.  Redirection errors detection
    4.  URL analysis
    5.  Base64 Encode

    httptools.dev VS HTTP Toolkit

     
  11. Fluxzy Desktop icon

    Fluxzy Desktop

     6 likes
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    Fluxzy Desktop is a comprehensive HTTP debugger and Man-in-the-Middle (MITM) tool available for Windows, macOS, and Linux. It's tailored for developers and network professionals seeking in-depth web traffic analysis and manipulation. Key features include:

    License model

    • Freemium • Proprietary

    Application type

    Platforms

    • Windows
    • Mac
    • Linux
    Friendly UI with a search in every block, easing access to filters, settings, and features.

    Fluxzy Desktop Features

    1.  HTTP Proxy

    Fluxzy Desktop VS HTTP Toolkit

     
9 of 9 HTTP Toolkit alternatives