Color format converter
Convert HEX, RGB and HSL colors with alpha transparency, preview the swatch and copy ready-to-use CSS color values.
Aspect ratio calculator
Simplify an image or video aspect ratio and calculate the matching width or height for a target size, with a visual preview.
About this tool
Simplify an image or video aspect ratio and calculate the matching width or height for a target size, with a visual preview.
How to use
Enter the original dimensions or pick a common ratio, then specify the target width or height. The result shows the reduced ratio and the proportional output dimensions.
Inputs are positive integers from 1 to 1,000,000,000. The calculated dimension rounds to the nearest integer. This calculates dimensions without changing a file; use the image resize tool to resize actual images.
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