This is a shameless plug, sorry!
I have recently developed a Firefox add-on tool (similar to hackbar), with some slightly different features, you can:
Intercept your target web request.
Select your injection point (e.g. URL, POST data or HTTP header).
Upload your injection list (e.g. SQLi, XSS, LFI/RFI, RCE, Shell-shock).
Define any pre-injection strings such as listening IP and listening port.
Replay the requests and observe the results in the browser.
I find it useful, give a go.
www.injector-addon.com
addons.mozilla.org/en-GB/firefox/addon/injector/