WebExtract - Web Assets & UI Inspector

Privacy-first web developer toolkit. Inspect CSS, extract assets, test responsive viewports, audit SEO & network APIs.

WebExtract is a privacy-first web developer and designer toolkit integrated directly into the Chrome Side Panel. Inspect webpage elements, extract design tokens, test responsive viewport breakpoints, audit technical SEO and performance metrics, inspect network requests, and download media assets with zero backend servers and complete privacy. KEY FEATURES • Quick Tools Launcher: Instant 1-click access to all inspection and debugging utilities from a unified command menu. • Asset & Web Font Extractor: Discover and extract images, SVG vectors, videos, CSS backgrounds, and web fonts. Download individual files or export everything into a compressed ZIP file. • Design System & Color Palette Exporter: Extract color schemes, generate color ramps, calculate harmonious color pairings, and export ready-to-use tokens for modern styling workflows. • CSS & Typography Inspector: Inspect declared CSS custom properties, variables, and typography with real-time interactive font preview cards. • Responsive Viewport Studio: Test website layouts across multiple standard mobile, tablet, laptop, and desktop screen sizes with instant orientation switching (portrait and landscape). • Technical SEO & Performance Audits: Check heading hierarchy (H1-H6), meta tags, image alt attributes, structured data, Core Web Vitals (FCP, TTFB, Load Event), transfer sizes, and security headers. Export audit reports in Markdown or JSON. • Network & API Inspector: Monitor live fetch, XMLHttpRequest, and API calls. View request headers, payloads, query parameters, and response bodies, with one-click code generation for common programming languages. • Spacing & Distance Ruler: Measure pixel distances, margins, paddings, and alignment between elements on any webpage. • Layout & Overflow Debugger: Outline DOM elements to quickly spot horizontal scrolling and layout overflow issues. • Live CSS Sandbox: Test and preview custom CSS styling rules directly on live webpages. • Stacking Context & Z-Index Visualizer: Inspect element layering order to quickly troubleshoot z-index clipping bugs. • Storage & Cookie Manager: View and manage localStorage, sessionStorage, and cookie entries. • Table Data Scraper: Export HTML tables into downloadable CSV files or structured JSON data. • AI Prompt Generator: Create structured styling and layout context prompts for AI coding workflows. PRIVACY & SECURITY • 100% Client-Side: Runs entirely within your local browser sandbox. • Zero Data Collection: No tracking, no telemetry, and no remote server requests. • No Account Required: Fully functional offline and without registration. HOW TO USE 1. Click the WebExtract icon in your Chrome toolbar or side panel menu. 2. Navigate to any website to inspect styles, extract media assets, or run audits. 3. Click the Quick Tools button in the top navigation for fast access to debugging utilities.