Calculate exact aspect ratios, compute dimensions & pad photos
Drag & drop your image here
or browse files · You can also paste from clipboard
Supports PNG, JPG, WebP, BMP, GIF, SVG · Max 50MB
Select, drag and drop, or paste your image into the Aspect Ratio Calculator & Resizer.
Customize options, dimensions, quality, or filters according to your needs.
Click process and download your instant high-quality result directly to your device.
Effortlessly calculate image aspect ratios, decimal multipliers, and proportional dimensions. Includes an interactive dimension predictor and 1-click padding to standard video and social frames.
Yes, Aspect Ratio Calculator & Resizer on KiteImage is 100% free with no hidden fees, subscriptions, or limits on usage.
Absolutely. Unlike other online image tools, KiteImage processes all images directly in your browser using HTML5 Canvas and WebAssembly. Your photos never leave your device or get uploaded to any server.
We support all standard modern image formats including JPG/JPEG, PNG, WebP, GIF, SVG, and BMP.
You have full control over quality and compression settings. You can maintain 100% lossless quality or optimize for smaller file size without noticeable visual loss.
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