Free Online Screen Pixel Ruler
A quick browser tool to measure pixels on your screen.
Browser-based pixel ruler
Use this interactive ruler to measure elements within your browser. Drag the edges to resize.
400px × 40px
* Drag the right or bottom edges to resize the ruler.
Need to measure outside the browser?
Browser tools are limited to the web page. If you need to measure across multiple windows, over CAD drawings, PDFs, or even rotating at any angle, you need the desktop version.
Upgrade to Screen Calipers
The professional Windows app that floats above everything.