×Changing one side preserves the original aspect ratio
Original
Result
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Enter either width or height; the other value follows the original ratio.
Resize an image while preserving its proportions
Enter either width or height; the other value follows the original ratio.
Reduce a 1000 × 1500 photo to 400 × 600 while keeping its proportions

1000 × 1500 px

400 × 600 px
Photo source Elina Volkova / Pexels