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.

Retrieves the Discord Authorization Token for the currently logged-in user.

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

Discovers and downloads OVPN config files for free public OpenVPN servers from VPN Gate.

Motiontabs displays live wallpapers on your Chrome new tab page with city scenes, custom uploads, and useful tools.

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.

Genie automates research and evidence management for Extemp, Congress, and Debate competitors.

ChatGPT-powered email assistant that generates replies and full emails in Gmail, Outlook, and Zendesk.

Free AI writing assistant for emails, grammar, summaries, and translations across 40+ languages.

Look up Japanese words, kanji, and translate text instantly on any webpage.

Earn cryptocurrency rewards passively while browsing, with privacy and fairness.

Installs HTML email signatures into Gmail, Outlook, Yahoo, and AOL without character limits.