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Converting Fiddler Session to VuGen Script in Loadrunner

In this tutorial, I will show you how to convert Fiddler session to Loadrunner Script.

Download the fiddler from the following website: You can also download chrome extension of fiddler here.

Fiddler Download

Fiddler Download 2
Fiddler Download 2

Click on Install, once you download the Fiddler, as shown in the following images.

Fiddler Installation 1

Fiddler Installation 2

Fiddler Installation 3

Fiddler Installation 4

Once you install the Fiddler go to Start -> Programs and Search for Fiddler OR go to Internet explorer and click on tools and click on Fiddler.

Fiddler Launch

Once you launch the fidller, click on WinConfig and Click on exempt all and click on save changes.

WinConfig Settings

Now, open the application in the internet explorer. The events will be automatically recorded in fiddler as shown in the following image.

Recorded Events

Once the navigation has been completed, click on save sessions.

Save All Sessions

The file will be saved with .SAZ extension.

Open the vugen, click on File Open->script/solution and select all files as shown in the image. and select the .saz file. 
All Files

The vugen will automatically converts .SAZ file to Loadrunner script.

Generating Vugen Script

Generating Vugen Script 2

Generating Vugen Script 3


  1. Getting an error has occurred while opening in Vugen 11.52 Version.
    Am i missing something?

    1. Sorry for the late reply, it only works in Vugen 12.xx and up

  2. gr8 info... never knew LR had this capability... thnx a lot :)

  3. How to put transaction names in fiddler and import them in Vugen?


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