Articles about file formats, web privacy, and how the software you use every day actually works. Written by the people who build these tools.
13 articles
Removing a photo's background without uploading it anywhere is now possible. But there's a clear line between what fits in a tab and what needs a data centre, and it's worth knowing where it falls.
Read the articleYou change something on your page, reload, and it looks the same. The server is almost never at fault: it's the cache, and it follows rules worth knowing.
Two videos with the same extension can be completely different inside. Understanding the difference between container and codec solves almost every "this video won't play" problem.
Every photo you take with a phone carries an invisible block of data: where you were, when, which camera, and sometimes more. What it holds and when it's worth stripping.
Plenty of apps declare that they collect no data and still get a policy violation notice. The cause is usually the same, and it has nothing to do with the code you wrote.
Most online converters copy your file to a stranger's server before touching it. What that really means, what the fine print says, and why an alternative now exists that skips it entirely.
The rules about uppercase, numbers and symbols come from a recommendation its own author withdrew. What actually matters is something else, and it's easier to remember.
Syncing and backing up look like the same thing and do opposite jobs. You learn the difference the day you delete something by mistake, and by then it's too late.
Seeing the padlock doesn't mean a site is trustworthy. It means something much more specific, and confusing the two is the basis of nearly every online scam.
Nobody cheated you and no space is missing. The gap comes from the manufacturer and your operating system using two different definitions of the word "giga", and it widens as sizes grow.
Between your keystroke and the page there are half a dozen steps, several computers and a few tenths of a second. Knowing them explains why something is slow and where the problem sits.
The browser's private window does exactly one thing, and it isn't the thing most people think. What it clears, who can still see you, and what it's genuinely useful for.
Editing video or compressing a PDF inside a browser tab stopped being impossible only a few years ago. The reason has a name, and understanding it explains why so many websites changed architecture at once.