Looks great! One comment though, I would try to avoid building a whole JSON structure in the URL of GET, as in: http://extensionizr.com/!#{"modules":["hid

Looks great! One comment though, I would try to avoid building a whole JSON structure in the URL of GET, as in: http://extensionizr.com/!#{"modules":["hidden-mode","with-bg", "with-persistent-bg","with-custom-options","no-override","inject-css", "inject-js","omnibox","jquerymin","angular"],"boolean_perms": ["bookmarks","chrome://favicon/","clipboardRead","clipboardWrite", "contentSettings","contextMenus","cookies","fileBrowserHandler", "tts","ttsEngine","history","idle","management","notifications", "tabs","geolocation"],"match_ptrns":[]} Rather, let one setup choices, and save it to a hash, which can be bookmark-able and retrieved later. Also, when sending in post body, converting it to Base64 before sending on the wire, e.g.: btoa(JSON.stringify($Object))