Measure anything on a webpage with a clean digital ruler. Box, line, circle, angle, and inspect modes.
Users
17
+10 in 30 days
Rating
0.0 / 5
unchanged in 30 days
Ratings
0
0 in 30 days
Store rank
#165K
#137K among extensions
Version
1.0.0
updated 18 Sep 2026
Users
monthly, 2 months
Latest, 21 Oct 2026:17 usersMove the mouse over the chart for any month
Ratings count
monthly, 2 months
Latest, 21 Oct 2026:0 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Rulerify
Rulerify is a fast and easy-to-use online ruler that helps you measure dimensions, distances, angles, and webpage elements directly in your browser.
Use it as a practical screen ruler when reviewing layouts, checking spacing, comparing element sizes, or validating responsive designs—all without leaving the webpage.
📐 Measure More Than Width and Height
Rulerify provides multiple measurement modes for different tasks:
• Box Measurement — Measure the width and height of any selected area.
• Line Measurement — Find the precise distance between two points.
• Circle Measurement — Measure radius and diameter directly on a webpage.
• Angle Measurement — Quickly calculate angles between selected points.
• Element Inspector — Hover over webpage elements to instantly view their dimensions.
📊 Flexible Measurement Units
Choose the unit that best fits your workflow:
• Pixels (px)
• REM
• Viewport width (vw)
• Percentage (%)
Whether you need precise pixel measurements or responsive layout values, Rulerify makes it easy to switch between units while you work.
⚡ Fast Browser-Based Measurement
No separate measurement software is required. Open Rulerify on the webpage you want to inspect and start measuring immediately.
Helpful controls include:
• Snap measurements to nearby element edges
• Copy measurement values quickly
• Move the floating toolbar anywhere on the page
• Switch between measurement modes instantly
• Use keyboard controls for a faster workflow
🎯 Useful for Webpage Layout Checks
Rulerify makes it easier to:
• Verify element dimensions
• Check spacing between webpage components
• Compare widths and heights
• Measure distances between visual elements
• Review responsive layouts
• Inspect page elements
• Validate radius, diameter, and angles
🛠️ How to Use Rulerify
Open the webpage you want to measure.
Click the Rulerify extension icon.
Select Box, Line, Circle, Angle, or Inspect mode.
Drag, select, or hover over the area you want to measure.
View the measurement instantly and copy it when needed.
⌨️ Keyboard Shortcut: Alt + Shift + R
✨ Simple Tools. Precise Measurements.
Rulerify combines the convenience of a browser ruler with multiple measurement tools in one lightweight extension. Measure webpage elements, inspect layouts, and check pixel dimensions without interrupting your workflow.
Start measuring with Rulerify and make webpage inspection faster, clearer, and more precise.