Processed in your browser. Your file is not uploaded.
Need advanced optimization or multiple output formats?
Your resized image will appear here
Set the width and height you need, or scale the image by percentage.
Resize an image to exact dimensions or scale it by percentage directly in your browser.
How it works
For avatars, thumbnails, banners and upload limits.
The current dimensions are shown as soon as the file is opened.
Enter width and height in pixels, or scale by 25, 50 and 75 percent. With the ratio locked, the second side follows the first.
The new dimensions and file size are shown before you save.
More free browser tools on Nano Banana Lab.
Making an image smaller is safe: pixels are averaged down and the result stays sharp. Enlarging stretches what is already there.
You can, but a browser cannot invent detail that is not in the file. For a real enlargement use the AI Image Upscaler.
Keep "Lock aspect ratio" on and type one side — the other is calculated for you. Turn it off to force exact dimensions.
No. The image is resized on a canvas inside your browser and never leaves your device.