Dark Reader

Instantly validates Accelerated Mobile Pages and provides real-time debugging for web developers

Identify web technologies on websites including CMS frameworks and payment processors

Privacy extension that shows trackers and allows you to block them to see page speed impact

A tool for designers to measure screen dimensions in the browser for pixel perfect layouts

Formats and validates JSON responses in the browser for easier API and structured data debugging

Manage cookies for SEO testing including location spoofing and session management.