What the Pixel Ruler does
The Pixel Ruler measures sizes and spacing on a screen. It is useful when you check layouts, icons or interface distances.
The source recognises Pixel ruler and Open pixel ruler as complete voice commands.
Try the interactive Pixel Ruler
Click Pixel ruler below. Choose a mode in the black toolbar, then drag over the TypeDash screenshot.
Drag to measure bounds. For spacing modes, move over a flat-colour region to see dimensions.
Four measurement modes
BoundsDrag a rectangle to measure width and heightSpacingMeasure horizontal and vertical spacing at onceHorizontalMeasure width along a horizontal lineVerticalMeasure height along a vertical lineUse the mouse wheel in the demonstration to adjust pixel tolerance for edge detection.
Use the ruler in TypeDash
- Open the tool
Say Pixel ruler after TypeDash starts listening.
- Choose a mode
Select bounds, spacing, horizontal or vertical measurement.
- Measure the target
Move or drag the pointer over the area you want to measure.
- Read the measurement
Check the pixel result before using it in a design.
Common questions
Can I measure both width and height?
Yes. Bounds mode gives the size of a dragged rectangle.
What is pixel tolerance?
Tolerance controls how much colours can differ before the edge detection treats them as a boundary.
Can this browser demo measure other windows?
No. The browser demo measures only its own TypeDash screenshot.
Keep learning
Control your computer with your voice.
Learn the key TypeDash workflows, then try them in the app.
Explore TypeDash