Image Resizer
Resize images to exact pixel dimensions with optional aspect ratio lock.
Runs locally — nothing is uploaded
How to use
- 1
Upload your image
Choose any JPG, PNG, or WebP image. The current dimensions are displayed automatically.
- 2
Set new dimensions
Enter the desired width and height in pixels. Toggle aspect ratio lock to keep proportions when changing one dimension.
- 3
Download the resized image
Click Download to save the resized version. The output keeps the same format as your original file.
Frequently Asked Questions
Yes. Keep aspect-ratio lock on (it is on by default) so changing width or height updates the other dimension proportionally.
There is no fixed pixel limit in the tool. Very large dimensions may be slow depending on your device and browser.
Shrinking usually stays sharp. Enlarging past the original size can look soft because new pixels are invented. Export uses the same format as your source.
No. Resizing happens locally in your browser — your photos never leave your device.
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