Fiddler

Fiddler

Progress Software
5.0 out of 5 stars
Runheed

Runheed

Great Work LLC
Fiddler Runheed

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Fiddler:

About

Capture all HTTP(S) traffic between your computer and the Internet with Telerik Fiddler HTTP(S) proxy. Inspect traffic, set breakpoints, and fiddle with requests & responses. Fiddler Everywhere is a web debugging proxy for macOS, Windows, and Linux. Capture, inspect, monitor all HTTP(S) traffic between your computer and the Internet, mock requests, and diagnose network issues. Fiddler Everywhere can be used for any browser, application, process. Debug traffic from macOS, Windows, or Linux systems and iOS or Android mobile devices. Ensure the proper cookies, headers, and cache directives are transferred between the client and server. Supports any framework, including .NET, Java, Ruby, etc. Mock or modify requests and responses on any website. It’s a quick and easy way to change the request and responses to test websites without changing code. Use Fiddler Everywhere to log all HTTP/S traffic between your computer and the Internet.
Runheed:

About

Runheed is a hosted error-tracking service for developers who use AI coding agents to build and maintain production applications. Its Node.js/TypeScript and Python SDKs report exceptions that Runheed groups by fingerprint with stack traces, breadcrumbs, request details, environment, release, and optional agent-session context. The remote Model Context Protocol (MCP) server lets compatible agents search error groups, inspect full context and trends, check project health, and resolve errors with a note describing the fix. If a resolved error recurs, it reopens with its previous resolution note. Framework setup is available for Express, Next.js, Fastify, FastAPI, Django, and Flask, while an HTTP endpoint accepts reports from other languages. Email alerts notify users when new error types are detected. The Solo plan starts at $29 per workspace per month and includes a 7-day trial.
Fiddler:

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
Runheed:

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported
Fiddler:

Audience

Anyone who needs an effective web debugging proxy
Runheed:

Audience

Developers and small teams who build with coding agents (Claude Code, Cursor, Codex) and want production errors their agent can read and fix
Fiddler:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
Runheed:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
Fiddler:

API

Offers API Not Supported
Runheed:

API

Offers API Supported
Fiddler:

Screenshots and Videos

Runheed:

Screenshots and Videos

No images available
Fiddler:

Pricing

$12 per user per month
Free Version Supported
Free Trial Not Supported
Runheed:

Pricing

$29/month
Solo is $29 per workspace per month, or $290 annually, and includes 50,000 events per month, 3 projects, and 30-day history. Pro is $79/month or $790/year; Scale is $199/month or $1,990/year. All plans include the MCP server and unlimited agent keys; events above the monthly limit are rejected rather than billed. The 7-day trial requires a payment card; the first charge is due at the end of the trial unless canceled before then.
Free Version Not Supported
Free Trial Supported
Fiddler:

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 5.0 / 5
Runheed:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
Fiddler:

Pros & Cons from Real Users

Pros

  • I'm using fiddler to find the vulnerabilities of the application. We can perform penetration testing using fiddler and find several major security-related issues such as CSRF Attack, XSS Attack, SQL Injection, IDOR, Authentication & Authorization, File Upload, Password strength. Fiddler provides a detailed overview of the application URLs and with status code and protocols. We can quickly analyze the security test results by their priority and severity and export them. Fiddler is a web debugging proxy tool and supports multiple proxies such as Firefox, Chrome, Safari, Internet explorer. We need to export the certificate by fiddler and import it on the browser's network settings section. - Open-source penetration testing tool. - It supports any client-server ar. - Tracking cache, cookies & headers - Traffic recording and playback mechanism - Easy to learn and use it. - Decrypt HTTP and HTTPS traffics - Formation of any HTTP request feature - Autoresponder & Inspection feature - We can manipulate the sessions - We can perform Load testing as well. - It available in multiple flavors like Fiddler Everywhere, Fiddler Classic for Windows, FiddlerCore, and FiddlerCap.

Cons

  • No Cons. It is very useful for me during security testing. Thank you, Fiddler.
Fiddler:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
Runheed:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
Fiddler:

Company Information

Progress Software
Founded: 1981
United States
www.telerik.com/fiddler
Runheed:

Company Information

Great Work LLC
Founded: 2025
United States
runheed.com
Fiddler:

Alternatives

Postman

Postman

4.8 out of 5 stars
Runheed:

Alternatives

Fiddler:
HTTP Toolkit

HTTP Toolkit

5.0 out of 5 stars
Runheed:
Fiddler:
HttpMaster

HttpMaster

Borvid
Runheed:
Fiddler:
HttpWatch

HttpWatch

Neumetrix
Runheed:
Fiddler:
Runheed:
Fiddler:

Categories

API Testing Supported
Bug Tracking Supported
Debugging Supported
Packet Analyzers Supported
Packet Capture Supported
Runheed:

Categories

Debugging Supported
Fiddler:

Integrations

ChatGPT Not Supported
Claude Not Supported
Claude Code Not Supported
Claude Desktop Not Supported
Cline Not Supported
Cloudchipr Supported
Codex CLI Not Supported
Cursor Not Supported
Devin Desktop Not Supported
Gemini CLI Not Supported
Model Context Protocol (MCP) Not Supported
Visual Studio Code Not Supported
Zed Not Supported
Runheed:

Integrations

ChatGPT Supported
Claude Supported
Claude Code Supported
Claude Desktop Supported
Cline Supported
Cloudchipr Not Supported
Codex CLI Supported
Cursor Supported
Devin Desktop Supported
Gemini CLI Supported
Model Context Protocol (MCP) Supported
Visual Studio Code Supported
Zed Supported
Fiddler:
Claim Fiddler and update features and information
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Runheed:
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