Octotree

Browser devtools for debugging Vue.js applications.

Discover the technologies running on any website.

Inspect and debug the React component tree in your browser.

Identify the tech stack of any website instantly.

Google's open source tool for auditing web performance, accessibility, SEO and best practices.

Chrome extension for testing and previewing a website on more than 80 phone, tablet and desktop screens.

The whiteboard for engineering teams, diagrams as code.

A fast formatter and linter for the web, in Rust.

Draw, highlight and add text or shapes on any website in real time, then save your work.

Chrome extension for full page screen captures with a built-in screenshot editor.

Collect and organize YouTube thumbnails into boards, built for thumbnail designers.

Browser extension that finds every SVG on a page so you can optimize, edit and export it.