Fiddler AlternativesOnly apps categorised as Website Monitoring Tools

The best Website Monitoring alternative to Fiddler is Proxyman. It's not free, so if you're looking for a free alternative, you could try ReqRes. If that doesn't suit you, our users have ranked more than 50 alternatives to Fiddler and three of them are Website Monitoring Tools so hopefully you can find a suitable replacement.

filter to find the best alternatives

Fiddler alternatives are mainly Website Monitoring Tools, but if you're looking for HTTP(S) Debuggers or Network Monitors you can filter on that. Other popular filters include Mac, Linux, Open Source, Mac + Open Source, Windows, iPhone and Google Chrome. You can also filter by region, for example EU-based alternatives if you prefer software developed in the European Union. These are just examples - use the filter bar below to find more specific alternatives to Fiddler.
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Alternatives list

  1. Proxyman icon

    Proxyman

     16 likes

    Monitor, intercept and debug HTTP/HTTPS and WebSocket traffic on macOS, iOS, Windows, and Linux. Includes advanced features such as Breakpoint, Map Local/Remote, scripting, filtering, reverse proxy, DNS spoofing, and automation for backend development.

    64 Proxyman alternatives

    Cost / License

    • Paid
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • Android
    • iPhone
    • iPad
    Proxyman screenshot 1
     
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    1
  2. ReqRes icon

    ReqRes

     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.

    Cost / License

    • Freemium
    • Open Source

    Application types

    Platforms

    • Mac
    ReqRes screenshot 1
     
  4. psiLynx icon

    psiLynx

     Like

    PSI Lynx is a SaaS platform for running bulk Lighthouse and PageSpeed audits across many website pages. It helps SEO teams, developers, agencies, and business owners monitor Core Web Vitals, track performance history, and catch regressions after releases, plugin updates, design...

    Cost / License

    • Paid
    • Proprietary

    Application types

    Platforms

    • Online
    psiLynx screenshot 1
     
3 of 3 Fiddler alternatives