Yet Another REST Client is a free Chrome extension for testing and debugging RESTful APIs with features like favorites

Automatically finds open-source code for research papers and enables alerts and author questions.

Free SEO tool that analyzes website meta tags, keywords, and content structure to provide an optimization score and

Inspect and debug Amplitude JavaScript SDK events, properties, and configuration in real time on your site.

Automatically validates AMP pages and shows pass/fail status, errors, and AMP version links.

Fake Data generates random, realistic data to fill forms instantly with customizable options and keyboard shortcuts.

Checks robots.txt, meta robots, X-Robots-Tag, canonical tags, AI bot exclusions, and highlights nofollow links.

Hover over any web element to measure sizes, margins, paddings, and inspect CSS, colors, and more.

Browser extension to visualize, analyze, and debug tracking tags on any webpage using Tag Inspector's library.

Inspect, modify, and debug OpenUI5/SAPUI5 controls and properties directly from Chrome DevTools.

Visually edit any website's CSS without coding using a point-and-click interface with live preview and export.

An offline code editor for HTML, CSS, and JavaScript that runs in a new tab, with preprocessor support, collaboration,

Adds repo size, file sizes, download links, and copy-to-clipboard to GitHub.

Adds a colored label to websites to visually distinguish between environments like dev, staging, and production.

Automation extension for Chromium that records interactions, injects code, and manages projects with local storage,

Chrome DevTools extension for debugging and inspecting Ember.js applications.

Measure distances, inspect CSS box model, and drop alignment guides on any live website without DevTools.

Chrome DevTools extension for debugging analytics tags, cookies, and accessibility compliance.

Captures website screenshots and provides a ruler, zoom, and eye dropper for pixel analysis.

Fakes JavaScript Date and Intl.DateTimeFormat for debugging time-dependent apps without changing system time.

Analyzes DNS, SEO, and domains with tools for IP lookup, link checks, and DNS records.

Browser extension for automated accessibility checks, contrast analysis, vision simulation, and compliance fixes.