Free Online Pixel Ruler

💡 Click and drag inside the grey area below to measure pixel dimensions.
Width: 0 px Height: 0 px Diagonal: 0 px

The Best Free Online Pixel Ruler

Web designers and UI developers constantly need to measure the pixel dimensions of on-screen elements. The GadgetsFocus free online Pixel Ruler gives you a virtual measurement canvas where you can click and drag to measure widths, heights, and diagonal distances in exact pixel values.

How to Use

  1. Click and Drag: Position your cursor inside the grey measurement area and click-drag to draw a rectangle. The blue overlay will show the exact pixel dimensions in real time.
  2. Read Measurements: The width, height, and diagonal distance are displayed both on the overlay label and in the info bar below the canvas.
  3. Toggle Grid: Use the checkbox to show or hide a 50-pixel reference grid for quick visual estimation.
  4. Clear: Click the “Clear” button to reset the measurement area.

Use Cases

  • Web Design: Quickly measure spacing, padding, and element sizes to ensure pixel-perfect layouts.
  • UI/UX Prototyping: Verify that design mockups match implementation specifications.
  • Image Analysis: Measure regions of interest within images or screenshots.