Image Resizer

Upload your image, enter the desired width and height in pixels, then click Resize. The resized image downloads automatically.

Yes. Enable the 'Maintain aspect ratio' option and when you change the width, the height adjusts automatically to keep the original proportions.

There is no strict limit, but very large images (over 20 MB) may be slow to process since everything runs in your browser.

Enlarging an image beyond its original size will reduce sharpness. Reducing size generally maintains quality well. The tool uses high-quality canvas interpolation.