How to Check Image Dimensions and Megapixels
Read pixel width, height, aspect ratio and megapixels from an image safely.
Get the answerCheck size and print fit
Check image resolution, DPI and print size
See pixels, megapixels, aspect ratio, embedded density and estimated print sizes at common quality targets.
Check image resolution Completely free No account or payment Image stays on this device
USE THIS WHENUse this for print planning, upload requirements or a quick check of pixels, megapixels and aspect ratio.SUPPORTED INPUTJPEG · PNG · WebP · GIF · supported AVIF
What you will getA clear result before technical detail
01Pixel dimensions and megapixels
02Embedded DPI when available
03Estimated print sizes at 300, 240 and 150 PPI
Local processing Image bytes stay on this device
Choose an imagePixels, DPI and print estimates
No upload, account or watermarkSession diagnosticsNo processing errors
Stored only in this browser tab. Image bytes, filenames and metadata are never included.
No tool error has been recorded in this tab.
Useful and careful
What is built into the result.
Important findings come first. Technical fields remain available without taking over the page.
01
Explains DPI without technical overload
02
Uses pixels for honest print estimates
03
Detects the real file type before reporting
Three simple steps
Know what happens before you start.
Use this for print planning, upload requirements or a quick check of pixels, megapixels and aspect ratio.
- ChooseSelect an image and verify its real type and pixel dimensions.
- CalculateSee megapixels, embedded density and common print-size estimates.
- PlanChoose a target based on print distance and required detail.
RESULT ORDER
01 · Pixel dimensions and megapixels02 · Embedded DPI when available03 · Estimated print sizes at 300, 240 and 150 PPI04 · Limits and next step
Continue when useful
Your next step, without starting over.
Move to another page only when its outcome matches what you need.
Important limitations
Full limitations DPI metadata alone does not add pixels · Print quality also depends on content and printer · Some formats do not store a standard density value