Is my data uploaded to a server?

No. All processing happens entirely inside your browser.

Is Aspect Ratio Calculator free to use?

Yes, all core features are completely free with zero limits.

Yes, your preferences are saved locally on your device.

Yes, the interface is fully responsive on desktop, tablet, and mobile.

Calculate proportional image dimensions from width, height and a locked aspect ratio.

Open Tool How It Works

Aspect ratio calculator

Drop an image here or choose a file from your device · PNG, JPG, WebP and GIF Browse image

Keep aspect ratio

Width

Height

Ready

Auto-process

Output

Load an image or example.

Settings stay in this browser.

Process your data in three private steps.

Enter or upload your data in the input panel.

Adjust tool preferences according to your needs.

Copy or export your results instantly.

Is my data uploaded to a server?: No. All processing happens entirely inside your browser.
Is Aspect Ratio Calculator free to use?: Yes, all core features are completely free with zero limits.
Can I save my preferences?: Yes, your preferences are saved locally on your device.
Does Aspect Ratio Calculator work on mobile?: Yes, the interface is fully responsive on desktop, tablet, and mobile.

Fast, private, and runs directly in your browser without uploading any data.

Start now Explore images & visuals