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Articles that explain how each calculator works, when to use it, and how to interpret the results. Written for real use—loans, health metrics, maths, and dev tools.

What Is Base64 and When Would You Actually Use It?

Base64 Encoder/Decoder

Base64 is a way to turn binary data—images, files, or any sequence of bytes—into plain text. Not encrypted; just represented using only letters, numbers, and a couple of symbols so it can go wherever text is allowed. That’s useful when you need to send or store binary data in a place that only accepts text: […]

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How to Convert Between Units Without Getting the Maths Wrong

Unit Converter

I don’t know who decided that we need inches AND centimetres, pounds AND kilograms, Fahrenheit AND Celsius — but they clearly didn’t think about people who shop online from other countries. Half my week is spent Googling stuff like “24 inches in cm” because some American website listed a monitor size in inches and I […]

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What Is a UUID and Why Do Developers Love Them?

UUID Generator

If you’ve ever poked around a database or looked at an API response and seen something like 550e8400-e29b-41d4-a716-446655440000 sitting where you expected a normal ID — yeah, that’s a UUID. I remember staring at one for a solid minute thinking whoever set up this database made some very questionable choices. Why not just use 1, […]

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