If you want to resize an image for Instagram, there are a few different ways to do it. The easiest way is to use the Image Size dialog box in Photoshop.

  1. Open the image you want to resize in Photoshop and select the portion of the image you want to resize.
  2. In the Image Size dialog box, click on the Resize button and choose a size from the menu that pops up.
  3. Click OK to save your changes and share your new Instagram image! ..