What is 3840×2160 resolution?
3840×2160 is the 4K UHD standard resolution with a 16:9 aspect ratio. It's commonly used for 4K displays, high-res wallpapers, and digital signage.
Can I resize a smaller image to 3840×2160?
Yes, but upscaling may reduce sharpness. For best results, start with an image at least 3840×2160 pixels or use the sharpen tool after resizing.
Does this tool maintain aspect ratio?
By default, width and height are set independently. Click the aspect ratio lock button to maintain the original proportions while resizing to fit within your target dimensions.
