What does this mean? Basically, Photoshop will discard any unused pixels in order to reduce the image. First, we can change the resolution by typing in 72 and then, we can change the pixel dimensions by entering 600 x 400 as the width and height.īefore hitting OK, we will want to select our resampling method. Let's say that we want to put this image on our website, so we want it to be only 600 x 400 pixels and with a resolution of 72ppi. With Photoshop open, go to File > Open and select an image One may need to reduce the size of an image because the resolution is too high for web, the file size is too large to e-mail, or only a small image is required for a printed piece.ġ. The process of reducing the size of an image in Photoshop is only slightly different than when enlarging. How to Reduce the Size of an Image Using Photoshop Finally, notice that our image size started as 17.2M (megabyte) and increased to 24.7M with the enlargement. In this example, we enlarged our image by increasing the document size from 10" x 6.667" to 12" x 8" Also note that the pixel dimensions changed from 3000 x 2000 to 3600 x 24000. Images will look smoother or more soft with this method.Ĭongratulations! You have now successfully changed the size of your image! By selecting bicubic smaller, we are telling Photoshop to interpolate (or create new pixel information) that will produce the best results when enlarging images.īicubic (best for smooth gradients) - Very precise method that calculates the averages of surrounding pixels.īicubic Smoother (best for enlargements) - Based off of Bicubic sampling and works best when enlarging images that have high image noise. What does this mean? Basically, Photoshop will have to create new pixel information in order to enlarge the image. In this example, we increased the document width from 10" to 12" and the height from 6.667" to 8".īefore hitting OK, we will want to select our resampling method. We want to keep the 300 resolution, so all we need to do is type in new pixel or document dimensions. Lets say we wanted to enlarge this image to a 12" x 8" so that it can easily be printed and framed. Enter new pixel dimensions, document size, or resolution. An Image Size dialog box will appear like the one pictured below.Ĥ. You will get a versatile image with great quality, that you can send to anyone without taking too much time.Note: When enlarging images, it is recommended to clean up dust and scratches or any noise before enlarging because these items may be magnified in your enlarged image.ģ. If you have a huge photo, we recommend resizing it to about 1900 by 1100 pixels, with JPG format and 90% quality. So if you resize your image, decreasing its width and height to a half, your image would have about the same number of pixels as the screens that will display it, and you wouldn't be losing any quality or detail, even looking at your image in full screen mode. Photos from modern cellphones and cameras usually have over 6 million pixels, while most cellphones, tablets, notebook or TV screens have only about 1.5 million pixels, which means you end up seeing a resized version of the image (you only use the full image if you print it). Reducing image size doesn't reduce image quality, although it may lose small details. Image quality will suffer as you increase compression and start losing more data.Īnother method is to resize your photo, decreasing the pixels it takes to store the image. One way is compressing the image, which reduces file size without having to resize it.
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