You can change the resolution of an image in Photoshop by clicking the Image menu → clicking Image Size → making adjustments to the height or width to the “Pixel Dimensions” fields. Use the resample settings to adjust for changes to the image size or for printing.

Steps

  1. 1
    Click the File menu.
  2. 2
    Click Open.
    • You can also access this menu item by hitting Ctrl+O (Windows) or Cmd+O (Mac).
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  3. 3
    Double-click an image file you wish to open.
  4. 4
    Click the Image menu.
  5. 5
    Click Image Size.
  6. 6
    Enter a width or height amount. Use the size listed under “Pixel Dimensions”.
    • The other dimension will auto adjust to maintain the same aspect ratio. If you do not want this to happen, deselect the Constrain proportions checkbox.
    • You can use the dropdown menu next to each size field to change dimension measurements (ie inches instead of pixels).
  7. 7
    Choose a resampler setting. Resampling resizes an image while maintaining the same number of pixels.[1]
    • “Bicubic Sharper” is best for making images smaller; “Bicubic Smoother” is better for making images larger.
    • You can deselect the Resample Image checkbox if you are just trying to change the image size for printing purposes. In this case you will need to make height/width adjustments to the size fields listed under “Document Size”. Making images larger with this enabled will result in loss of image quality.[2]
  8. 8
    Click OK. The sizing changes will be applied.
    • If you wish to keep these changes to the file, select Save from the File menu.
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wikiHow Staff
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Updated: May 5, 2021
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Categories: Adobe Photoshop
Article SummaryX

1. Click Image.
2. Click Image Size.
3. Enter your desired dimensions.
5. Click OK.

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