Fiddler

Fiddler

Progress Software
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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.

About

Skim through traffic with highlighting by content type, status & source, or use powerful filtering tools to precisely match the messages that matter to you. Examine the URL, status, headers & body of each request or response, with inline explanations & docs from MDN. Dig into message bodies with highlighting & auto formatting for JSON, HTML, JS, hex and others, all using the power of Monaco, the editor from Visual Studio Code. Precisely match requests, jump to them when they appear, and edit anything: the target URL, method, headers or body. Manually respond directly to requests as they arrive, or pass them upstream, and pause & edit the real response on the way back. Step through HTTP traffic request by request, or manually mock endpoints and errors. Create rules to match requests and respond with your own content, to quickly prototype against new endpoints or services.

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

Platforms Supported

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

Audience

Anyone who needs an effective web debugging proxy

Audience

Developers looking for a solution for debugging, testing and building with HTTP

Support

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

Support

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

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

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

Pricing

Free
Core features (interception, debugging, manual rewriting for all traffic) are all free.

Advanced features (automated rewriting, import/export, advanced configuration options) require a Pro subscription.
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

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

Reviews/Ratings

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

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.

Pros & Cons from Real Users

Pros

  • HTTP Toolkit makes it easy to intercept traffic even in complicated cases, like Docker, Android and command-line/backend software. The UI looks good (much nicer than older alternatives like Fiddler, Burp and Charles) and the UX is clear. I really like that it's all open source so you can see how it works.

Cons

  • Not quite as feature filled as older tools like Fiddler/Burp/Charles, but rapidly improving and it's possible to contribute to help move things forwards.

Training

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

Training

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

Company Information

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

Company Information

HTTP Toolkit
Founded: 2018
Spain
httptoolkit.com

Alternatives

Alternatives

Fiddler

Fiddler

Progress Software
HttpMaster

HttpMaster

Borvid
HttpWatch

HttpWatch

Neumetrix

Categories

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

Categories

Debugging Supported
Network Monitoring Supported
Software Testing Supported

Integrations

Android Not Supported
Brave Browser Not Supported
Cloudchipr Supported
Docker Not Supported
Electron Not Supported
Google Chrome Not Supported
Microsoft Edge Not Supported
Mozilla Firefox Not Supported
Semarchy xDI Not Supported

Integrations

Android Supported
Brave Browser Supported
Cloudchipr Not Supported
Docker Supported
Electron Supported
Google Chrome Supported
Microsoft Edge Supported
Mozilla Firefox Supported
Semarchy xDI Supported
Claim Fiddler and update features and information
Claim Fiddler and update features and information
Claim HTTP Toolkit and update features and information
Claim HTTP Toolkit and update features and information