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Instructions
Step 1
Launch Adobe Photoshop and open a banner in it: click the menu item "File" -> "Open" or press the key combination Ctrl + O. In the window that appears, select the required file and click "Open". A new document will appear in the workspace - a banner.
Step 2
Open the Image size window. This can be done in two ways. First - click the menu item "Image" (Image) -> "Image size" (Image size). Second - press the hotkeys Ctrl + Alt + I.
Step 3
A new window will appear in which you should be interested in the "Pixel dimensions" section, specifically, the "Width" and "Height" fields that are in it. To the right of these fields are drop-down menus in which you can set the units of measurement - pixels (pixels) or percent (percent).
Step 4
By default, next to the Width and Height boxes is a chain and square bracket logo. This means that when you change one of these parameters (width or height), the other will automatically change. In other words, any change in the aspect ratio of the image (in your case, the banner) will remain unchanged. If you want to disable this feature, uncheck the box next to Constrain proportions at the bottom of the window.
Step 5
Also notice the Resample image item and what's underneath the dropdown menu. If you will enlarge the banner, it is better to specify in it "Bicubic smoother (best for enlargement)", and if you reduce it - "Bicubic sharper (best for reduction When finished with the settings, click OK to resize the banner.
Step 6
To save the result, click the menu item "File" -> "Save as" or press the hot keys Alt + Ctrl + Shift + S. A new window will open, in the settings of which there is an item "Looping options". Make sure it is set to Forever, click Save. In the next window, select the path for the file and click "Save".
