This is applied so that the rows of the spreadsheet alternate between red, green and blue exactly as they would in a digital photo. Conditional formatting is then used to colour each cell so that it is completely black for "0", fully bright for "255" and every whole-number shade inbetween. The process involves cracking the digital photo file open, scraping out all of the numbers and putting them into the cells of an Excel spreadsheet. Matt Parker found a way to actually open digital photos as spreadsheets in Excel. When you take a photo, your camera measures the amount of red, green and blue light hitting each pixel, ranks them on a scale from 0 to 255 and then records those values as a spreadsheet. It really is just a spreadsheet.ĭigital photographs are actually just spreadsheets. Accepts JPG, JPEG, PNG and GIF files - anything larger than 128 pixels will be scaled down.
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