Image Dimensions Checker

About the Image Dimensions Checker

Drop any image to instantly see its width, height, aspect ratio, orientation and file size. Useful check before publishing or printing.

Everything runs in your browser — nothing is uploaded.

How to use the Image Dimensions Checker

Step 1Type or paste your input.
Step 2The output updates live as you type.
Step 3Copy or download the result when ready.

When people reach for this tool

Check a picture meets a size requirement

Forms and CMS fields often state a maximum width and height. Checking first avoids a rejected upload.

Find out why an image is overflowing its box

The real pixel width and height usually explain a broken grid straight away.

Confirm the resolution before sending to a printer

Knowing the dimensions lets you judge whether the picture will hold up at the size you need.

Practical tips

Orientation is reported for you — handy for spotting a photo that arrived rotated when it should not be.
File size and dimensions are different problems. A large file with small dimensions is usually heavy compression, not a scaling issue.

What you get

Live results while you type
Runs entirely in your browser
Copy and download with one click

Image Dimensions Checker — FAQ

Which details are shown?

Width, height, aspect ratio, orientation, file type, size and more — all read locally.

What is aspect ratio?

Width divided by height, written as 16:9 or 4:3. It stays the same when both sides are scaled together, which is why images can be resized without distorting.

Does this upload my image?

No. The browser reads the file header locally to report the numbers, so nothing is sent anywhere.