Aspect ratio
The math stays in this tab. Nothing is uploaded.
Ratio
How to use this tool
Simplify a width and height to a ratio such as 16:9 in this tab. Nothing is uploaded.
Open Aspect ratio
1920×1080 is already filled as 16:9.
Change width or height
The numbers are rounded to pixels, then reduced by their greatest common divisor.
Copy the ratio
Copy puts 16:9 (or your ratio) on the clipboard.
FAQ
Can I get an aspect ratio here?
Yes. Enter width and height in pixels. The tab simplifies them, like 1920×1080 → 16:9.
Is this uploaded?
No. The math stays in this tab.
Does it crop a photo?
No. It only reduces the two numbers. Use Crop if you need to cut a picture.
Decimals?
Width and height are rounded to whole pixels before simplifying.
Can I copy the result?
Yes. Copy puts the ratio, such as 16:9, on the clipboard.