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Fiddler Everywhere

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Amplify your debugging efforts with a Web Debugging Proxy for any device or platform. Fiddler Everywhere is a pathway for all, supporting macOS, Linux and Windows.

What is Fiddler Everywhere?

Fiddler Everywhere is a secure and modern web debugging proxy for macOS, Windows, and Linux. Your trusted debugging tool for testing end-to-end behavior.
Fiddler Everywhere is a powerful tool to modify the response before it reaches the browser to test and debug web applications. Your must-have tool.
Fiddler Everywhere's flexible pricing plans deliver the high value you expect. No matter the plan you choose, your subscription is feature-packed. Try before you buy. 
Fiddler Everywhere delivers a straightforward approach for web, mobile, and desktop debugging that yields measurable time and cost-savings.

What's Supercharged in Fiddler Everywhere

Choregraphed Filters
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Robust Request and Response Mocking
  • Choregraphed Filters

    Specify the filter criteria to see captured sessions and save the filters with the power to re-use them each time you search for specific results.

  • Powerful Traffic Capturing

    Capture HTTP, HTTPS, including HTTP/2 (now in beta) and WebSocket traffic on Windows, macOS, and Linux right out of the box with Fiddler Everywhere.

  • Sophisticated User Experience

    Style your Fiddler Everywhere application, choosing between the alluring Default Light, Default Dark, Light Blue, or Dark Blue themes.

  • Nimble API Composer

    Fiddler Everywhere's API Composer makes it easy to quickly compose, test, group, and organize your API requests. You can make a new request from scratch or edit a request already captured by Fiddler Everywhere.

  • Robust Rule Builder

    Your power tool for mocking server responses and simulating real-life scenarios. With Rule Builder, you can create rules and automatically triggering a specific request based on the conditions you specify.

500,000 Companies Are Using Fiddler Today


Where and How to Use Fiddler Everywhere

Fiddler Everywhere is Feature-Rich

Base Features

  • Inspect Web Traffic (HTTP & HTTPS)
  • Inspect Mobile Device traffic
  • Inspect Desktop Traffic
  • Export Captured Traffic
  • Repeat Requests
  • Edit Requests
  • Compose API Requests
  • Find in Requests
  • New UI themes
  • Cross-platform compatible
  • Save Sessions
  • Compose API Requests
  • Unlimited Rules - Rule Builder
  • HTTP/2 Support – Beta
  • Filters
  • Saved Filters
  • WebSocket Support
  • Compare Traffic  – Beta
  • Vertical or horizontal layout selection

Sharing & Collaboration

  • Share Traffic with Collaborators
  • Sharing of Sessions
  • Sharing of Composer Requests
  • Sharing of Rules
  • Add Context with Comments/Notes


  • Bulk Licensing Management
  • Policy-driven Installation
  • SSO

Upcoming Features

  • Bandwidth Simulation
  • Mask/Delete Requests with Sensitive Data
  • Performance Suggestions
  • Rules Grouping
  • Composer Variables
  • gRPC Support
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G2 Badge 4.4 stars out of 5

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.


Pricing and Licensing


For individual and smaller teams that need to
securely debug without sacrifices

  • Full feature access
  • Unlimited rules and requests
  • Team collaboration

Lite Support
72h response time
10 tickets per user, per month

$ 10
per user,
per month,
billed annually

Lite Support
72h response time
1 ticket per user, per month

$ 12
per user,
per month,
billed monthly

Pay annually and get 2 months free!

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For larger teams and organizations that need
additional control and support

  • Includes enterprise-specific enhancements
  • Everything in Pro
  • Policy driven installation
  • SSO

Priority Support
24h response time
Unlimited tickets

$ 25
per user,
per month,
billed annually

Annual subscription only

Buy Now

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Want to Add Seats to Your Subscription?

Purchase new seats at a prorated price up until the end of the subscription.

Additional Tools and Solutions in the Fiddler Family

There’s a Fiddler Product for Every Need

Fiddler Classic

Original Fiddler Web Debugger tool — feature rich, functional and supported only on Windows.


Reliable and powerful .NET library allowing you to capture and modify HTTP and HTTPS traffic. 

Fiddler Cap

A lightweight companion tool to capture web traffic from end-users or from customer environments.

Fiddler Jam

A unified troubleshooting browser extension solution for support teams to report and fix bugs.


Next Steps