ASP.NET ViewState Helper: Automatically Decode Any ViewState!
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ASP.NET ViewState Helper

ASP.NET ViewState Helper is designed to help all web developers, but has specific features to help ASP.NET developers debug ViewState issues. Analyze your web pages in real-time while you browse them using Internet Explorer 6.0 or higher. ASP.NET ViewState Helper gives you very detailed information to help you optimize your web application's performance. It allows you to see the following details about each page:

  • Page's total size: This is the total size of the web page shown in the URL column
  • ViewState size: This is the size of the ViewState field
  • ViewState %: What percent of the total page size is being taken up by the ViewState?
  • Markup size: The size of HTML markup (non-visible text) on the page
  • Markup %: What percent of the page consists of non-visible HTML markup?

Double-click any URL in the list to bring up the ViewState Decoder window. If the selected page contains a ViewState, it will be decoded into plain text, and also broken down into a tree-view for easy analysis.


  • Compatible with Internet Explorer 5, 6, 7, 8, 9 (x86 and x64)
  • Compatible with Firefox 2.x, 3.x
  • Works in real-time to give you detailed page information
  • Analyzes all webpages, even pages inside frames
  • ViewState decoding works with ASP.NET 2.0 and higher


ASP.NET ViewState Helper: Main Window
Main Window
ASP.NET ViewState Helper: ViewState Decoding
ViewState Decoding
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