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Prevent your browser from connecting to 3rd party resource without user consent. Increase your privacy, security, and speed by blocking unnecessary requests.
The best security you can get in a web browser!
Fast, Instantly visible, Live Preview & Live test scripts.
Ghostery is a powerful privacy extension.
Block ads, stop trackers and speed up websites.
Please note that this extension is useful for web developers only.
It allows recognition of website environments and display useful data such as credentials, ip address, database connections...etc
Try out Matomo without modifying the existing website
You can customize the default JS state (on or off), the disable behavior (by domain or by tab) and much more.
Blocks scripts and resources from a website with Content Security Policy.
A Firefox devtool extension for inspecting the performance of React components.
Web developers can inspect the DOM in a simple, intuitive way - like a pine tree!
On a web page, right-click and select Fresh Dom Tree View. Then explore: click within the generated dom tree, or mouse-over within the web page.
Addon for web devs. Monitor included JS, CSS and/or HTML in frames and automatically reload the host page when a change is detected in the included source. Supports inline reloading of stylesheets and frames without reloading the host page.
Cross-browser test websites in the most popular browsers such as Internet Explorer, Edge, Chrome, Firefox, Safari and Opera. Try for free!
Displays the page's current resolution in a tidy box at the top right.
Requires zero permissions and completely open source.