The free web debugging proxy for any browser, system or platform.
You know，jmx file can be used by jmeter. It's very useful, but fiddler cannot export the response ande request to .jmx.
Native support might be neat. Fiddler does allow File > Export > HAR, and it looks like you can readily convert a HAR file to a JMX file; see http://converter.blazemeter.com
You won't be notified about changes to this idea.