Click the Picture Quality drop down and choose Best for Sending in Email (96 ppi).Click Compress Pictures (to the right of the Transparency icon).
#How to compress pictures with pse mac#
STEPS TO COMPRESS IMAGES: MAC - MICROSOFT POWERPOINT Uncheck Apply only to this picture if you want all of the pictures in the entire presentation to be compressed so you will have a smaller file size.Choose Email (96 ppi): minimize document size for sharing.Select the checkbox to Delete cropped areas of pictures option to reduce the size of the image or picture in the presentation.Click the Picture Format ribbon at the top of the screen.Select a slide that contains an image or picture.
#How to compress pictures with pse windows#
STEPS TO COMPRESS IMAGES: WINDOWS - MICROSOFT POWERPOINT Follow these instructions to optimize your images and photos. PowerPoint images can make your presentation file size quite large, especially if you have embedded high-resolution images and photos. Suffice to understand that pixels and bytes have very little to do with each other, and that there is often no way to find a correspondence between these two quantities.In order to decrease the size of a PowerPoint file (and in Canvas your course quota), you can decrease the resolution of the images. There's know way to accurately undo the compression that created the JPEG file. So, if you're talking about a JPEG file, it's not possible to determine how many pixels were used to create it. This is a mathematical algorithm that reduces the amount of storage needed to hold data. One more concept: JPEG files use data compression. So what's actually stored can get a bit complicated.īut our simple example shows that pixel and bytes are not the same thing, something that's a common misunderstanding. It could store information about the camera, the lens, the time of what, preset settings, etc. It might store a small JPEG file, as well, to be used as a previous. Now, the camera might store more information. So, if that camera has 10 million pixels, a raw file would have to be at lest 20 million bytes in size, or 20 megabytes. If you made a very simple 16-bit digital camera, it would need two 8-bit bytes to store the information from one 16-bit pixel. Someone else can probably do better.Ī byte is eight bits. And if the prints from each were constrained to, say, 8"x10", then the DPI "resolution" would differ for each.Ĭlear as mud? The more I tried to explain this the worse I got. A 300 DPI "resolution" print from 4, 10 and 16 megapixel camera files will be different physical sizes, because the cameras have different resolutions. The term "resolution" in that context is confusing because it's often mixed up with the same word applied to pixel dimensions/megapixels. For editing purposes it doesn't matter whether the DPI/PPI is set to 72, 100, 250, 600 or eleventyseventy. That gets into the often misunderstood issue of printing DPI/PPI. If you save a new version of the JPEG as a JPEG (naturally you don't want to actually replace your original JPEG), it may be significantly smaller or larger in file size depending on compression, even though the pixel dimensions (and megapickles) remain the same.ĭimensions in inches, millimeters, picas or any other linear dimension in the physical world are relevant only to printing. If saving in layers, the file sizes will also be larger. If converted to TIFF, PNG or other uncompressed file format, the file sizes will be commensurately larger. When opened for editing they take up more space on disk. Just multiply the pixel dimensions and there's your megapixels or, in the case of my old 3 and 4 mp digicams, meagerpickles.įile sizes are another critter. Megapickles are a factor of resolution in pixel dimensions. If you have the time, could you explain what these mean, and what would be the answer to the question, 'What is the megapixel size of your final image? Windows library summary data of image 2.29mg } same as above? Windows library detail data of image 2354 kb }
PSE editorsaved edited image is 13.53 meg as PSD PSE editorsaved ( as jpeg after adding ‘multiply’ layer and combining 2 layers, (i.e. PSE editor (unedited save) 2.34 mg saved as jpeg
PSE editor info lower left tab: 171m/2.29g scratch size PSE editor info lower left tab: 14.1 document size Various data found on PS elements editor and in windows folder/file details for same image Image opened in PS elements with the following information This may be asking a lot, but I'm sure this stuff is easy to decode, but I'm just getting confused.ĬAMERA: Older Olympus P & S: IMAGE taken as jpeg file Let's say I wanted to explain the megapixel size of the image to someone. Here is the info for a recently taken jpeg image taken with an older Olympus P&S camera. I thought I understood megapixel size, but having been away from digital editing for a while, my brain has fogged regarding what these numbers mean.
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