Mar 25
How does a 10GB File Become 3GB When Zipped (And Expands Again)
Ever wondered how you take a 10GB file, zip it, and suddenly it drops to 2 or 3GB, then when you unzip it, the file returns to the full 10GB without losing anything? At first glance, it feels like digital magic. So what is really happening here? Is data secretly being deleted and somehow restored later? Not at all. What you are seeing is smart mathematics and efficient data encoding doing…