Fiddler Everywhere

A cross-platform web debugging proxy for capturing, inspecting, modifying and replaying HTTP(S) traffic.

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About Fiddler Everywhere

Fiddler Everywhere captures HTTP and HTTPS traffic from browsers, the whole system, terminals, remote PCs and Android devices, and lets you inspect, modify, replay, mock and export it. It also handles gRPC traffic and includes a debugging assistant and an MCP server for AI-assisted workflows.

It is the actively developed successor to Fiddler Classic and runs on Windows, macOS and Linux. It is aimed at professional and commercial use, with team sharing of captured sessions and commercial support.

Strengths

  • Runs on Windows, macOS and Linux
  • Captures browser, system, terminal and Android traffic
  • Replay, modify and mock captured requests
  • Supports gRPC traffic

Limitations

  • Paid licence required after the trial
  • Team and AI features add complexity for simple debugging

Details

Pricing
PaidCommercial product with a free trial available.
License
Proprietary
Developer
Progress Telerik
Platforms
Windows, macOS, Linux
How it runs
Downloadable app
Best suited for
Developers and teams debugging HTTP(S) and API traffic across platforms
Last verified
Added
Provenance
Facts checked against the developer's own pages and store listings, 1 sources on file.

Alternatives to Fiddler Everywhere

Compare all

Software that can replace Fiddler Everywhere for an important use case, and what changes if you switch.

  • Charles

    An HTTP and HTTPS debugging proxy that shows all web traffic between a computer and the internet.

    Charles is also a paid HTTP and HTTPS debugging proxy on Windows, macOS and Linux, and can work as a reverse proxy, but it needs certificate setup on clients for HTTPS inspection.

  • Proxyman

    Desktop HTTP and HTTPS debugging proxy for capturing, inspecting and mocking network requests.

    Proxyman is freemium rather than paid, runs on Windows, macOS and Linux with a native macOS interface, and offers breakpoints, Map Local and scripting for mocking requests.

  • HTTP Toolkit

    An open-source desktop tool for intercepting, inspecting and rewriting HTTP and HTTPS traffic.

    HTTP Toolkit is free and open source, offers one-click interception for many tools and can target a single client, though it is desktop only with no mobile app.

  • Reqable

    An HTTP debugging proxy and REST API client for desktop and mobile in one application.

    Reqable is freemium and combines traffic capture with a REST API client, adding Android and iOS apps alongside desktop, though advanced use needs a paid licence.

Similar software

Related functionality, not necessarily a direct replacement.

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