How to Change Pixels in Photoshop

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Pixels, or small dots, display an image on a monitor and determine the resolution of your image. The smaller the pixels, the sharper and clearer your image will be. With PhotoShop, you can change the pixels on your image to make them appear clearer or sharper. Discover how easy it is to adjust image pixels using these simple guidelines.

Things You'll Need

  • Computer
  • PhotoShop software
  • Launch PhotoShop and select the image you want to adjust.

  • Click "Adobe PhotoShop" and choose "Image Size." Click the "Resample image" check-box if you want to keep the current image dimensions. Uncheck this option if you want to keep the total amount of pixels. Unchecking this option retains the image's pixel quantity when you adjust its height and width.

  • Enter the ppi (pixels per inch) value you want to use for your resolution in the "Resolution" window. Click "OK" to save the changes. The values you enter vary depending on the device that your image will appear or be printed on. For example, you can select 72 ppi for on-screen images. The image will look no different on screen, even if it has a higher resolution. The only difference is that the file will be larger, so it will take longer to download or upload. For inkjet printing, you may need a ppi value of about 240, depending on the inkjet printer you are using. In some cases, a 360 ppi value may work better and yield a clearer image. For high-end printing, you may need a value of about 304.8 for printers such as the LightJet 5000. Refer to your device or printer manual for the best value if you are unsure of the best output.

References

  • Photo Credit Photos.com/Photos.com/Getty Images
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