Quickly and easily calculate aspect ratios with Sizey. Use this awesome little menu bar app with your favorite design tool and start effortlessly generating perfect aspect ratios.

Enter the width or height of a design element, and select your aspect ratio of choice. BOOM. Done. A perfectly calculated aspect ratio.

Add your own custom aspect ratios in the settings menu for extra ratio awesomeness!

Finally, a tool that helps you create without a bunch of math getting in the way.

Find us on Instagram, Facebook, & Twitter @SizeyApp or send us a good ol’ fashioned email at We would love to hear from you!

What’s New

Version 2.0

Safety first—buckle up for something BIG…

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You ready? Say hello to the ARM update—Sizey 2.0!

That’s right—Sizey is now compatible with the newest generation of Macs and MacBooks! Take full advantage of the new M1 Apple silicon chip with this friendly neighborhood Sizey update.

TLDR; Power you didn’t know you needed. And as always—a lot less math.

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Bug Fix — ‘Orientation’

Things not feeling right side up? Worry not, citizens! We’ve fixed a bug that was causing the portrait / landscape orientations to do a little switcheroo. So, rest easy! No more musical chairs when you don’t feel like playing.

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Our mission is to help you create. We want you to be designing not “mathing”, which is why we never interrupt you with “Please leave us a review!” pop-ups...

BUT, if Sizey does help you out, or if it gives you that little hug of happiness whenever you use it, please, pretty please leave us a review. We would love you @2x for it! (jk, we already love you @2x)

Also, if you ever need to talk, you can find us on Instagram, Facebook, and Twitter @SizeyApp or send us a good ol’ fashioned email at We would love to hear from you!

Annnnd that’s all folks!

Ratings and Reviews

5.0 out of 5
5 Ratings

5 Ratings

Trill Livin ,

The developers care about this app

In an old review, I criticized the fact that you couldn't use ratios with decimal places (e.g., 1:2.39). However, in the latest update, they added that feature along with about a dozen others. This is now a nicely simple yet fully-featured app that does exactly what it says. Worth the purchase!

Developer Response ,

Oh no!! We hear you loud and clear—we've updated Sizey to include decimal ratios so you can calculate ratios to your hearts desire! Simply update to the latest version, and you should be good to go! :)

If you have any more ideas on how we can improve Sizey, please reach out to us at—we would love to hear from you!

pixelgrids ,

I hate math

And guessing if a ratio is correct. This took care of both of those ✨

Been using it with figma for ages and the speed of the autocopy is perfect.

kris10_s ,


- Super easy to use
- Fantastic design
- Use it every day
- Would absolutely buy again

This app is one of my best investments since I've begun photography and design. Seriously has prevented me from throwing my computer across the room from math headaches. So happy to never have to calculate an aspect ratio again. Thank you, Sizey!

App Privacy

The developer, AnySec LLC, has not provided details about its privacy practices and handling of data to Apple. For more information, see the developer’s privacy policy.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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