This tool changes an image's pixel dimensions, whether you're shrinking something for faster loading or fitting an exact size for a profile picture. It can lock the aspect ratio so adjusting one dimension updates the other automatically, which keeps you from accidentally stretching a photo out of shape.
How to use it
- Upload the image you want to resize.
- The current width and height fill in once it loads.
- Type a new width or height. With the aspect ratio locked, the other one updates on its own.
- Turn the lock off if you actually need a different aspect ratio, like stretching to fit a banner.
- Click resize and check the preview.
- Download it once it looks right.
When it helps
- Fitting a photo to the exact pixel size a platform wants for a profile picture.
- Shrinking a big camera photo before attaching it to an email.
- Getting a set of images to a consistent size for a website gallery.
- Making a smaller thumbnail version of a photo for faster loading.
- Resizing a screenshot to fit in a document without taking over the page.
Good to know
- Keep the aspect ratio locked almost always. Turning it off tends to distort the image noticeably.
- Resizing down is safer than resizing up. Enlarging a small image past its original resolution usually makes it blurry.
- Check what pixel dimensions the platform you're uploading to actually wants before you resize, since these vary.
- When resizing for a specific platform, check that platform's current recommended dimensions first, since these change and vary by use, profile photo versus banner versus post.
- When preparing several images for the same gallery, resize them all to the same target width first, then check that heights still look reasonably consistent given each photo's original shape.
Questions
Will resizing make my image blurry?
Shrinking rarely causes a noticeable quality loss. Enlarging a small image beyond its original resolution will look soft, since there's no real detail to add back in.
What format does the resized image save as?
PNG, which keeps quality and supports transparency if the original had any.
Can I resize a batch of images at once?
This tool handles one image at a time. For a batch, you'd repeat the process for each file or use dedicated batch software.
Does resizing affect file size too?
Generally yes. Fewer pixels means less to store, so resizing down usually reduces file size even without changing compression quality separately.
Can I resize to an unusual aspect ratio?
Yes, turning off lock aspect ratio lets you set width and height independently, though the image will look stretched if the new ratio differs a lot from the original.
Does resizing affect an image's color or brightness?
No, resizing only changes pixel dimensions. Color and brightness should look the same, aside from the natural effect of more or fewer pixels representing the same details.