Browser Add-On Tools Tool Company app.telemetry Bug Magnet Clear Console ClearCache CopyPlainText CSS Critic DOMInspector FireBug Firebug Lite for Chrome FireCookie FireFinder FirePath FireSizer Gemini Plugin Grunt Photobox IE Tab Quick Locale Switcher Regular Expressions Tester Remergr.io RESTClient – debugger Selenium Visual Diff SQL Injection sql.inject.me TamperData TAW3 W3C Page Validator Webshots xss.me 28 tools Is your favourite tool missing? Add it to the directory