Choose the destination first
A website may ask for a maximum width, a profile image may need a square shape and a document may need a particular print size. Start with the destination’s requirement rather than shrinking an image repeatedly.
Keep the aspect ratio locked when you want the whole image to remain undistorted. If the destination needs a different shape, crop first or expect empty space rather than stretching faces and objects.
What resizing changes
- The number of pixels in the width and height.
- The appearance of fine detail when making an image smaller.
- The file size, depending on the image format and export settings.
- The amount of detail available if you later need to enlarge the copy again.
Keep the original
- Choose the source image from your device.
- Set a target width or height and keep the proportions unless you have a specific reason not to.
- Download the resized copy with a new name.
- Open the copy at its destination size before replacing the original.
Local and private
The current image resizer uses the browser’s image and canvas features. The source image is not uploaded to KitLumo. For private photos or documents, still check the destination before sharing the resized copy.
Common questions
Does resizing improve a blurry image?
No. Making an image larger cannot recreate detail that was not captured in the original.
Should I resize or compress?
Resize when the pixel dimensions are too large; compress when the dimensions are suitable but the file size is too high.
Will the original image be overwritten?
No. Download the resized copy and keep the original separately so you can make another version later.