Converters
Aspect ratio calculator — image dimension calculator free
Calculate image aspect ratio, find missing dimension, or resize to a target ratio. Common presets: 16:9, 4:3, 1:1, 9:16. Free online tool.
Free browser-based tool
Use this ToolCrunch utility directly in your browser. Most processing stays on your device and no ToolCrunch account is required.
Files never leave your device — all processing runs in your browser