Fiddler - Extensions

This page contains useful extensions for Fiddler. For best results, please ensure that you're running the latest version of Fiddler2.

You can develop your own extensions using the IFiddlerExtension interface.

SyntaxView Inspector

The SyntaxView Inspector offers syntax-highlighting for HTML, JScript, XML, and other web formats. Download Now (432 kb).

WebView Inspector

The WebView Inspector displays the response as it would be rendered by Internet Explorer's HTML rendering engine. Download now (42 kb).

Fiddler ScriptEditor

The FiddlerScript Editor is a text editor that helps you edit script rules for Fiddler. It offers syntax highlighting and a Class Explorer to help you author scripts. Learn more...

RulesTab2

Similar to the FiddlerScript Editor above, the RulesTab2 extension is a powerful way to edit your Rules script directly within Fiddler2. Download Now (556 kb)

RulesTab

The RulesTab extension is a lightweight way to tweak your Rules script directly within Fiddler2. This extension is not as powerful as the RulesTab2 extension above (no syntax highlighting or Intellisense), but it requires less memory.

Gallery

The Gallery extension displays thumbnails of all images found among the selected sessions.

Content-Blocking (sample)

The Content Blocker sample is a simple example of using IAutoTamper to block traffic based on URI.

Image-Flipper (sample)

The Image Flipper sample is a simple example of using IAutoTamper to automatically flip all downloaded images 180 degrees.

3rd-Party Extensions

This list is provided for informational purposes only, and Microsoft makes no representations or warranties, either expressed, implied or statutory, regarding the items, manufacturers, or compatibility of the items available within. Some of the links below send you to sites that are not under the control of Microsoft. Microsoft is not responsible for the contents of any linked site or any link contained in a linked site or any changes or updates to such sites. Microsoft is providing these links to you only as a convenience, and the inclusion of any link does not imply endorsement of Microsoft. Report a problem.

- Eyal has written two extensions:

- Michael Schwarz has written a Javascript Beautifier.
- Fedor Vlasov has written an XML Request viewer that handles x-www-form-urlencoded XML post bodies.