Developer Tools extensions

Visually style scrollbars and generate CSS for Webflow websites.

Spoofs browser geolocation for Google Search and Google Maps.

Exports selected HTML tables into Markdown format.

HedNet Protocol Extension fetches your public IP address from api.ipify.org while its popup is open.

HypeStat Analyzer sends the active tab hostname to hypestat.com when you open its popup.

This extension provides web debugging tools and launches LambdaTest cloud tests from Chrome.

Generate lorem ipsum placeholder text and insert it from a popup or right-click menu.

Mute, unmute, and close noisy browser tabs from a popup or keyboard shortcut.

Peek - Design & Asset Toolkit sends active tab URLs and persistent analytics IDs to peek-extension-proxy.netlify.app when enabled.

Run Python code in a browser popup with an online compiler and editor.

Inspects GraphQL, Fetch, and XHR requests and responses in a developer-friendly view.

Redirect Check sends user-selected page links to its Cloud Functions redirect checker.

Web to MCP uploads the current page URL, DOM HTML, token count, and screenshot to web-to-mcp.com after popup capture.

This extension indicates when the current website appears to be built with Webflow.

Window Resizer sends open-tab URLs to Google's favicon service when its popup displays saved tabs.

Quickly toggles Xdebug debugging, profiling, and tracing for PHP development.

eCommerce Profit Calculator injects a jsDelivr stylesheet into every page you visit.

Provides quick access to Android developer calculators, tools, and reference information.

This extension converts selected website CSS into TailwindCSS class names.

This extension visualizes the ordering and urgency of elements in a page’s <head>.

This extension adds configurable page markers that help distinguish development environments.

Adds code folding controls for viewing source code on GitHub pages.

Grips sends visited domains to a CloudFront endpoint and posts active-tab page views to Google Analytics on extension clicks.

Inspect Element creates a persistent Amplitude ID and sends usage telemetry to api.amplitude.com.

Create rules to modify headers, block requests, and redirect web requests by domain or URL criteria.

Nocodable lets its web app request Facebook tracking identifiers and page context from Bubble editor pages.

NsLookup - Find DNS Records opens nslookup.io with the active tab's hostname when you click its toolbar button.

The extension sends active-tab URL, page title, headings, and extracted page text to backend.onpageseo.ai for AI metadata generation.

Run Python snippets and REPL-style commands directly in the browser.

Rayst - Reveal the web loads ray.st resources on visited pages and sends the current URL to app.ray.st when its panel opens.

Udemy Course Auto Completion injects code into the active Udemy tab to mark lectures complete and submit course answers.

Pick, convert, copy, and reuse colors from a 3D color picker and webpage eyedropper.

Agency Dashboard SEO Extension sends the current site's domain to APILayer and WhatCMS from its popup tools.

Preview CSS animations and copy the generated CSS code for use in your stylesheet.

This extension displays Chromium NetLog dump files created with chrome://net-export.

Cloudinary Media Inspector stores request and response headers for visited pages for local inspection.

Copies full pages, selections, images, and links as LLM-optimized Markdown from the right-click menu.

Data Studio Companion loads a Google Fonts stylesheet into Looker Studio pages when obfuscation mode is enabled.

This extension picks colors from webpages or the screen and identifies fonts on webpages.

Inspects fonts, text styling, and HTML tags on web pages for typography validation.

Geometric Structures sends new-tab searches with persistent IDs and displayed bookmark URLs to external services.

HTML Validator sends inspected page HTML to validator.w3.org when you request online validation.

Highlights HTML heading tags on webpages with one click.

This extension adds a right-click option to open an iframe’s URL in a new tab.

This extension collects images from the current web page and downloads selected ones as a ZIP archive.

Shows a quick overview of Google Analytics tracking activity on the current page.

Adds an incremental search frame for browsing Javadoc packages and classes.

On Page SEO Checker reads URL, metadata, headings, links, images, and structured data from pages when its side panel opens.

Open TortoiseSVN for Google Chrome sends matching link URLs from broad page clicks to its native TortoiseSVN host.

PACify | The Proxy Manager fetches user-configured PAC files and applies them to Chrome proxy settings.

Potato Extension for Webflow sends selected Webflow asset URLs to api.flowchef.co for AI alt-text generation.

Quantcast - Tag Inspector sends detected Quantcast pixel pcodes and the active tab domain to Quantcast APIs.

Request Interceptor captures active-tab request URLs, headers, and POST bodies after the user enables interception.

Analyzes on-page SEO and provides a score with improvement suggestions for the current webpage.

SEO Extension ROSSK writes user-agent spoofing settings into each visited site's localStorage.

SEO station de Carlos Estevez reads SEO metadata from the active page when its popup opens.

Salesforce Advanced Search & Record Details uses your Salesforce session cookie to query Salesforce REST APIs.

This extension provides quick access to Google Material Design color palettes in the browser.

Site Contrast captures the active tab's URL, visible text metadata, and element screenshots when you run a contrast scan.