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Is there an application that can listen in on my PCs http traffic (Preferably process specific), and modify packets that were requested from a certain url ?

So let's say everytime I request http://example.tld/test.html it would replace any occurence of let's say "i" with "I", it's a simple example but still it's an example

Thanks for your time, Xeross

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up vote 1 down vote accepted

You may be able to achieve what you desire using Fiddler which describes itself as a "Web Debugging Proxy". I seem to remember that it supports scripting such that you can modify traffic en-route.

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It does what I want, however it can't be minimized to the tray unfortunately. –  Xeross Jun 1 '10 at 8:51
    
Any particular reason you need it to only show in the notification area? –  Rowland Shaw Jun 21 '10 at 10:18
    
Though a late reply, it worked, thanks –  Xeross Aug 7 '10 at 8:18
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