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New Release! Sign up for the Telerik R2 2023 embedded reporting, mocking and
debugging tools release webinar on June 12 to see the latest updates.
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 * Telerik Fiddler
   
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BUGS. HAPPEN. DEBUGGING AND TROUBLESHOOTING REIMAGINED

We believe in a holistic debugging and troubleshooting approach that is
radically straightforward and intuitive. Fiddler is committed to delivering you
successful outcomes and solving your pain points without sacrifice.

Try for Free
Fiddler Everywhere Fiddler Classic Fiddler Jam FiddlerCap FiddlerCore


WHICH FIDDLER DO I NEED?

Five Products, One Family, Endless Debugging and Troubleshooting Capabilities.

Fiddler Everywhere Fiddler Classic Fiddler Jam Fiddler Cap Fiddler Core

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Web debugging proxy for MacOS, Windows, and Linux

 * The most powerful web debugging proxy tool for MacOS, Windows and Linux with
   an enhanced UI.
 * Effectively share your findings and add context with built-in team
   collaboration.
 * Customize, save, and share rules to handle complicated requests with ease.
 * Unlimited sharing of saved sessions and requests for impressive efficiency
   gains and receive dedicated email support to stay on track.
 * Debugging features are supercharged in Fiddler Everywhere, allowing you to
   take debugging and testing to the next level without any added effort.


Try for Free
Learn more

Web debugging proxy for Windows

 * The original trusted and secure (free) debugging proxy server tool for
   Windows.
 * Successfully log, inspect, and alter HTTP(s) network requests and server
   responses. Go from error to fix in record time.
 * Easily import/export requests in various format and take out the guess work.
 * Write custom scripts to speed up your troubleshooting efforts.
 * Debug at rapid speed and develop web communication code faster, leaving you
   more time for other tasks.


Try for Free
Learn more

Web-based troubleshooting solution

 * A web-based end to end troubleshooting solution for support teams who need to
   get from error to fix in less time.
 * Capture web traffic, web console logs, and web app screenshots in three
   simple steps. Easy set-up and requires no programming.
 * Securely share all captured logs within your teams to quickly deliver
   valuable data for finding a solution.
 * Provide end-users a resolution with one shot, no more back and forth or
   hindered communications.


Try for Free
Learn more

Desktop-based Capture App for Windows

 * A Windows only lightweight version of Fiddler designed for data-capture by
   non-technical users.
 * Capture web traffic and quickly send to your tech team for debugging.
   Eliminating the annoyances derived from hindered communications.
 * Share network traffic logs within your teams to jump-start the resolution
   process.
 * Provide end-users a more delightful analysis, communication, and resolution
   experience.


Try for Free
Learn more

Embeddable .NET library

 * Reliable and powerful .NET library allowing you to capture and modify HTTP
   and HTTPS traffic to ensure everything works smoothly and securely.
 * Harness the power of a stable proxy engine to develop best-in-class features
   for your .NET solutions and stand out for your ingenuity.
 * Discover delays, missing services and threats in minutes not days.

Try for Free
Learn more


HOW TO START YOUR FIDDLER JOURNEY



1 Try the Fiddler product(s) that aligns with your needs.

2 Integrate Fiddler into your workflow for rapid, elegant debugging and
troubleshooting.

3 You’ll start realizing the high value of benefits of Fiddler through the
acceleration of both your time and cost savings.


HUNDREDS OF THOUSANDS OF ORGANIZATIONS
ARE USING FIDDLER

Join these companies and the 4 million developers who are already building,
running, and debugging with Fiddler.




4.4 OUT OF 5 OVERALL USER RATING

Don’t just take our word for it. G2 Users have consistently rated Fiddler 4.4
out of 5 stars. G2 is a renowned peer-to-peer review site that aggregates user
reviews for business software.


SUPPORT & LEARNING

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How to Select the Right Fiddler Tool for You
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Fiddler Everywhere – Licensing and Purchasing FAQs
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Contact us
How Can We Help? We'd Love to Hear from You!


A TRIAL OF ANY OF THE FIDDLER PRODUCTS GIVES YOU:

 * A fully functional version of the software.
 * Strict data privacy protection. Your data remains with you, it will never be
   shared.
 * Easy upgrade path to a licensed product.
 * Full access to all online documentation, community forums and tutorials.

Try for Free
Fiddler Everywhere Fiddler Classic Fiddler Jam FiddlerCap FiddlerCore

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