Image
Aspect Ratio Calculator
Calculate and match aspect ratios.
Runs entirely in your browser using the Canvas API. Free, your files never leave your device.
About this tool
Free aspect ratio calculator tool. Calculate and match aspect ratios. No signup, nothing uploaded.
Frequently asked questions
Are my images uploaded?
No. They are processed locally and never sent to a server.
Is there a file size limit?
Large images are limited only by your browser's memory.
What format should I export?
WebP for the web, JPEG for photos, PNG for lossless graphics.
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