100% private — nothing leaves your device
Resize images to the exact dimensions you need.
Pixels or percentage, aspect ratio locked by default, right in your browser.
How resizing works
- 1
Add images
Drag & drop or browse — select as many as you need.
- 2
Set dimensions
Type exact pixels or pick a quick percentage.
- 3
Resize on-device
Aspect ratio locks automatically — nothing is sent anywhere.
- 4
Download
Save files one at a time, or all together.
Common ways people use this
- Fitting a photo to an exact pixel requirement, like a profile photo or thumbnail
- Scaling a photo down before sharing it over chat or email
- Preparing consistent dimensions across a batch of images
- Shrinking an oversized image for faster web use
Resize FAQ
Does resizing keep the aspect ratio?
Yes, by default. Lock is on — changing width recalculates height automatically, and vice versa. You can unlock it for custom dimensions.
What's the largest size I can resize to?
Up to 8000px per side. That cap exists to keep your browser from freezing on an unreasonably large canvas allocation.
What happens if I enter an invalid width or height?
The Resize button is disabled and a clear error is shown until the value is a valid positive whole number.
Does resizing change the image format?
No — the output keeps the same format as the original file.