Blog images
Set width to 1600 px and leave height on auto — every image keeps its proportions.
Change pixel dimensions by size or percentage, for one image or a whole batch. Proportions stay locked unless you choose otherwise.

Drop images here
Or choose them from your device. You can also paste with Ctrl+V.
PNG, JPG, WebP · Up to 50 images at a time
Selecting images doesn't upload them. They're processed on your device.
Resizing re-encodes the image. PNG stays lossless; JPG and WebP are re-saved at the quality you choose.
Results vary by image.
Set width to 1600 px and leave height on auto — every image keeps its proportions.
Use Fill and crop at 400 × 400 for square thumbnails from mixed shapes.
Scale to 50% to turn 4032 × 3024 into 2016 × 1512.
Fit within keeps the whole image inside your box, so one side may be smaller. Fill and crop covers the box completely and trims what doesn’t fit.
“Don’t enlarge” is on by default. Turn it off if you really want upscaling.
Yes for PNG and WebP. The output keeps the input format unless you choose another; JPG fills transparency with a color you pick.
No. Everything runs in your browser; images are never uploaded.