Measuremate β€” Pixel Ruler for Web Design

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Measure distances between any elements on any website. Pixel ruler + CSS inspector for pixel-perfect design handoff. Measure distances between any elements on any website. Pixel ruler, CSS inspector, and alignment guides β€” 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. πŸ” INSPECTOR MODE β€” Click any element to inspect it. See dimensions, distances to neighboring elements, and full CSS details. Hover to preview before selecting. πŸ“ GUIDES MODE β€” 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 ━━━━━━━━━━━━━━━━━━━━━━━━ πŸ“ MEASURE DISTANCES between any two elements β€” 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). πŸ”¬ VIEW DETAILED CSS by category β€” Layout (display, position, flex, grid, z-index), Text (font, color, line-height, letter-spacing), and Attributes. 🌳 NAVIGATE THE DOM TREE β€” browse from root to any element, hover to preview, click to inspect. πŸ“ 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 β€” guides and cursor automatically snap to element edges and centers. Cmd+Shift+M (Mac) / Ctrl+Shift+M (Win) β€” Toggle Measuremate on/off 1 β€” Switch to Inspector mode 2 β€” Switch to Guides mode M β€” Show/hide the control panel V β€” Drop a vertical guide at cursor H β€” Drop a horizontal guide at cursor S β€” Toggle snap-to-alignment Q β€” Clear all guides Arrow keys β€” Move cursor/guides 1px (Shift for 10px) Esc β€” Clear selection ━━━━━━━━━━━━━━━━━━━━━━━━ WHO IT'S FOR ━━━━━━━━━━━━━━━━━━━━━━━━ β€’ Frontend developers verifying pixel-perfect implementation against designs β€’ Web designers checking spacing, alignment, and typography on live sites β€’ QA engineers validating responsive layouts across breakpoints β€’ Teams doing design handoff from Figma, Sketch, or other design tools β€’ Anyone who needs a fast, clean ruler for the web βœ“ Clean UI β€” does nothing until you activate it. No interference with the pages you browse. βœ“ Lightweight β€” under 500 KiB, no bloat, no telemetry. βœ“ Privacy-first β€” zero tracking, zero data collection. βœ“ Works on any website, including SPAs and iframes. βœ“ Figma-like distance measurements you already know how to read. βœ“ Keyboard-first workflow for power users. 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 β€” 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 ━━━━━━━━━━━━━━━━━━━━━━━━ We ship updates regularly. Feature requests and bug reports are always welcome.

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