Learn how to set your image size and resolution in Photoshop:
Photoshop/ Monitor Resolution
Printed Image Resolution
Dimensions: The total number of pixels across the width and height of an image.
Resolution: The number of image pixels per inch when an image is printed, measured in pixels per inch (ppi). The more pixels per inch, the higher the resolution and the better the printed quality.
Changing dimensions or resolution: Remember that the image data remains constant until you resample. Changing the resolution will change the width and height to maintain the same amount of image data.
Image size and resolution relationship: The Image Size dialog box shows the relationship between image size and resolution.
2- To access the Image Size dialog box:
Go to Image > Image Size.
The Auto option provides standard interpolation. For more control, use the other options, each designed for different image resizing needs.
Printed Image Resolution
Dimensions: The total number of pixels across the width and height of an image.
Resolution: The number of image pixels per inch when an image is printed, measured in pixels per inch (ppi). The more pixels per inch, the higher the resolution and the better the printed quality.
Changing dimensions or resolution: Remember that the image data remains constant until you resample. Changing the resolution will change the width and height to maintain the same amount of image data.
Image size and resolution relationship: The Image Size dialog box shows the relationship between image size and resolution.
2- To access the Image Size dialog box:
Go to Image > Image Size.
Navigate to the Image Size dialog box
3-The Resample option check box is selected by default. Use it to adjust the dimensions of your image.
The "Image Size" dialog box provides various tools to adjust image sharpness, even when resizing.
On the left is the preview window, which displays a real-time preview of the image based on the selected settings. On the right are the settings themselves.
Do not check the Resample option
If you uncheck the Resample option, you can resize or change the resolution of the image by redistributing the existing pixels
Check the Resample option
The Resample option is checked by default, which means you can adjust the image dimensions by adding or subtracting pixels from the Width and Height
Resize your image by setting the width and height in pixels for online use or in inches/centimeters for printing.
To maintain the aspect ratio and prevent distortion, click the link icon while resizing. If you resize without clicking the link, the image may appear stretched or squashed.
Adjust the width and height of your image in two ways
Auto-interpolation and other options in the Image Resizing dialog box
View current image size
View the current image size in the document status bar, located at the bottom of the screen.
Hover the mouse cursor over the status bar and hold down the left mouse button for more information.
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