Resize & compress images
Make an image fit — by dimensions, by quality, or by an exact file size.
- Compress an imageRe-encode an image at a quality you choose. The result panel reports exactly what it cost in bytes.
- Crop an imageDrag a rectangle over the part you want to keep.
- Resize an imageGive an image a width, a height, or both, and see the result before you run it.
About these tools
Almost every request to make an image smaller is one of three different questions wearing the same words. Sometimes the constraint is the grid: the image has to be 1200 pixels wide because that is the column it sits in. Sometimes it is the eye: the picture can stay its size but does not need every byte it currently spends. And sometimes it is a number on a form that rejects anything over 2 MB without saying why.
Those need different tools, so they are separate here rather than one box with a slider. Resizing throws away pixels. It is the only thing that helps when the image is bigger than it needs to be. Compression keeps the pixel count and spends fewer bytes describing it, which suits an image whose dimensions are already right. Hitting a byte target needs both, iterated, because the relationship between quality and file size depends on the picture itself.
One thing worth knowing before you start: all of these decode and re-encode the file. Doing that repeatedly to a JPEG compounds the loss each time, so going back to the original always beats running a compressed copy through again.