Practical notes for developers who paste carefully.

Not all JSON formatters are equal. Some upload your data to remote servers. Here's what to watch out for when choosing a formatter online.

DevUtils tools work without an internet connection after the first load. Here's how we built a fully client-side suite of utilities.

Most developers think a long password is a strong password. That is not how real attacks work. Here is what actually makes a password secure.

Developers choose between JSON and YAML every day. The decision affects readability, tooling, and the ability to catch errors early.

Not all password generators are secure. Some use predictable randomness. Others send your passwords to a server. Here is how to evaluate one.

UUIDs look like random strings, but they follow a precise standard. Learn what they are, why databases use them, and how to generate them securely.

HTML minification removes whitespace and comments to reduce page size. Here is exactly what gets stripped and how much you can save.

Not all hash functions are secure. MD5 and SHA-1 are broken. SHA-256 is the standard. Here is the difference and when to use each.