Free Online Image Ruler — Display Pixel Coordinates and Rulers on Any Image
Display pixel rulers and coordinates on any image with our free online image ruler. Move your mouse over the image to see the exact pixel position, with horizontal and vertical ruler guides for reference. Perfect for designers, developers, or anyone needing precise coordinate reading on images. All processing happens locally in your browser.
Upload an image to display the ruler.
Move your mouse over the image — rulers and crosshairs show the current position.
Use the ruler markings to measure distances and align elements visually.
Tips for Using the Image Ruler
- The rulers are marked in pixels — each tick mark represents one pixel.
- The crosshair follows your mouse cursor for precise position tracking.
- Toggle rulers on and off using the checkbox in the controls panel.
Frequently Asked Questions — Image Ruler
Is the image ruler free?
Yes, completely free. No registration, no hidden charges, and no file size limits. All processing happens locally in your browser.
How does the image ruler work?
As you move your mouse over the image, crosshair lines follow the cursor and the exact pixel coordinates are displayed.
What units are the rulers in?
Rulers are marked in pixels. Major ticks every 50px, minor ticks every 10px.
Can I hide the rulers?
Yes, use the 'Show Rulers' toggle to hide or show the ruler overlay at any time.
What image formats are supported?
All common image formats are supported: JPEG, PNG, WebP, GIF, BMP, TIFF, and more.
What information is displayed?
Cursor position as X, Y coordinates, plus crosshair guides along both axes.
Can I upload multiple images?
Yes, upload multiple images and switch between them from the sidebar.