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Description

A pixel ruler for any live web page. Measure distances, inspect the box model, drop guides — DevTools stays closed. Measure distances between any elements on any website. Pixel ruler, CSS inspector, and alignment guides — everything you need for pixel-perfect design handoff, right in your browser. Measuremate is a measuring tool built for frontend developers, web designers, and QA engineers who need precise pixel measurements without leaving the browser. Lightweight, private, and fast. ━━━━━━━━━━━━━━━━━━━━━━━━ TWO POWERFUL MODES ━━━━━━━━━━━━━━━━━━━━━━━━ 🔍 INSPECTOR MODE — Click any element to inspect it. See dimensions, distances to neighboring elements, and full CSS details. Hover to preview before selecting. 📐 GUIDES MODE — Place vertical and horizontal ruler guides anywhere on the page. Snap to element edges, measure between guides, and verify alignment like in Figma. Switch between modes with a single keystroke. ━━━━━━━━━━━━━━━━━━━━━━━━ WHAT YOU CAN DO ━━━━━━━━━━━━━━━━━━━━━━━━ 📏 MEASURE DISTANCES between any two elements — spacing, gaps, padding, margins. On-page dimension lines show exact pixel values. 🎯 INSPECT THE CSS BOX MODEL with visual breakdown of content, padding, border, and margin (including negative margins). 🔬 VIEW DETAILED CSS by category — Layout (display, position, flex, grid, z-index), Text (font, color, line-height, letter-spacing), and Attributes. 🌳 NAVIGATE THE DOM TREE — browse from root to any element, hover to preview, click to inspect. 🖼️ MARQUEE SELECT multiple elements at once by dragging a selection box. 📐 DROP VERTICAL OR HORIZONTAL GUIDES on any page with a single keystroke. Use arrow keys for 1px precision, Shift+arrows for 10px jumps. 🧲 SNAP TO ELEMENTS — guides and cursor automatically snap to element edges and centers. ━━━━━━━━━━━━━━━━━━━━━━━━ KEYBOARD SHORTCUTS ━━━━━━━━━━━━━━━━━━━━━━━━ Cmd+Shift+M (Mac) / Ctrl+Shift+M (Win) — Toggle Measuremate on/off 1 — Switch to Inspector mode 2 — Switch to Guides mode M — Show/hide the control panel V — Drop a vertical guide at cursor H — Drop a horizontal guide at cursor S — Toggle snap-to-alignment Q — Clear all guides Arrow keys — Move cursor/guides 1px (Shift for 10px) Esc — Clear selection ━━━━━━━━━━━━━━━━━━━━━━━━ WHO IT'S FOR ━━━━━━━━━━━━━━━━━━━━━━━━ • Frontend developers verifying pixel-perfect implementation against designs • Web designers checking spacing, alignment, and typography on live sites • QA engineers validating responsive layouts across breakpoints • Teams doing design handoff from Figma, Sketch, or other design tools • Anyone who needs a fast, clean ruler for the web ━━━━━━━━━━━━━━━━━━━━━━━━ WHY MEASUREMATE ━━━━━━━━━━━━━━━━━━━━━━━━ ✓ Clean UI — does nothing until you activate it. No interference with the pages you browse. ✓ Lightweight — under 500 KiB, no bloat, no telemetry. ✓ Privacy-first — zero tracking, zero data collection. ✓ Works on any website, including SPAs and iframes. ✓ Figma-like distance measurements you already know how to read. ✓ Keyboard-first workflow for power users. ━━━━━━━━━━━━━━━━━━━━━━━━ HOW TO USE ━━━━━━━━━━━━━━━━━━━━━━━━ 1. Click the Measuremate icon in your toolbar (or press Cmd/Ctrl+Shift+M) to activate 2. Hover over any element to preview its dimensions 3. Click to select — see distances to nearby elements appear on the page 4. Open the Main Panel with M to see full CSS, box model, and DOM tree 5. Press 2 to switch to Guides mode and drop alignment rulers ━━━━━━━━━━━━━━━━━━━━━━━━ FREE AND PRO ━━━━━━━━━━━━━━━━━━━━━━━━ All core measuring features are free forever. Pro is a one-time purchase. Buy once, use forever, on any number of computers. ━━━━━━━━━━━━━━━━━━━━━━━━ SUPPORT & FEEDBACK ━━━━━━━━━━━━━━━━━━━━━━━━ Website: https://measuremate.xyz Email: [email protected] We ship updates regularly. Feature requests and bug reports are always welcome.