How to use Resize Image
- Add one or more images.
- Choose "Pixels" to set a width and height, or "Percentage" to scale.
- Keep "Lock aspect ratio" on to avoid stretching.
- Click "Resize" and download the results.
Why use Resize Image
Exact pixel sizes
Set width, height or both.
Aspect ratio lock
Images fit inside your size without being stretched.
No accidental upscaling
Small images are left alone unless you allow enlarging.
Batch resize
Apply the same size to many images at once.
About this tool
Portals often reject images that are too large or the wrong size. Resizing to the requested dimensions avoids rejected uploads and makes pages load faster.
Resizing uses high-quality smoothing in your browser. Downscaling keeps images sharp; enlarging cannot add detail that was not in the original.
Frequently asked questions
How does the aspect ratio lock work?
With the lock on, the image is scaled to fit inside the width and height you enter, so nothing is stretched. Enter just one side to scale the other automatically.
Can I make a small image bigger?
Yes, turn on "Allow enlarging". The image will be bigger but not more detailed.
Which format will I get?
The same format as the original by default. You can switch to JPG, PNG or WebP.
Can I resize many images at once?
Yes. Add as many as you like and download them together as a ZIP.
Are my images uploaded?
No. Resizing is done by your browser on your device.