To master the image resize, you need to understand two key terms:

Highlight your images, go to Tools > Adjust Size , and you’re done.

The total width and height of an image, usually measured in pixels (e.g., 1920x1080).

Sites like , Pixlr , or IloveIMG allow you to drag and drop a file and resize it in seconds without downloading software. These are perfect for one-off tasks. 2. Desktop Software (Batch Processing)

For web, 72 DPI (dots per inch) is standard. For print, you’ll want 300 DPI. Conclusion