can anyone recommend a firefox plugin so I can see exactly what is being sent to a post form?

I'm trying to debug my开发者_Go百科 form POST code. Is there any firefox plugin so I can see exactly what the browser is sending (rather than monitor at the server side)?

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Firebug? It lets you see HTTP requests and responses on the 'net' tab.

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Live HTTP Headers

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Fiddler works with IE, Firefox, and many other processes.

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try charles, you can monitor IE and FF. Tamper data should also work well

https://addons.mozilla.org/en-US/firefox/addon/966

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Get Firebug!, it has everything you need -- or alternatively Live HTTP Headers.

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Firebug can do this

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You can use firebug and in the network tab see what is posted firebug

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There's also HTTP Analyzer