💻 Developer Tools

Lorem ipsum is the nonsense Latin every designer knows. Learn where it came from, why placeholder text is useful, and how to use it without hurting your workflow.

That big number in your logs and APIs is a Unix timestamp. Learn what epoch time is, why developers use it, and how to convert between timestamps and dates.

Spaces, ampersands, and special characters can break a URL. Learn what URL encoding does, when you need it, and how to encode query parameters correctly.

UUIDs are everywhere in modern software as unique identifiers. Learn what they are, how they guarantee uniqueness, and when to use them instead of sequential IDs.

Base64 shows up in emails, data URIs, and APIs — but what is it actually doing? Here is a clear explanation of Base64 encoding, its uses, and its limits.

Minifying CSS is one of the simplest performance wins available. Learn what minification removes, how much you save, and how to fit it into your workflow.

Regular expressions are powerful but easy to get wrong. Learn the core syntax, how to test patterns safely, and the mistakes that trip up even experienced developers.

A single misplaced comma can make an entire JSON payload invalid. Learn how JSON validation works, the errors that cause 90% of failures, and how to fix them fast.

Why does < turn into &lt; and why does it matter for security? Learn what HTML entities are, when to encode, and how they protect your pages from breaking or XSS.

Markdown lets you format text with a few simple symbols instead of fiddly toolbars. Learn the core syntax and how to preview it live as you write.

camelCase, snake_case, kebab-case, PascalCase — programming is full of naming styles. Learn what each one is, where it is used, and how to convert between them.

Word and character counts drive everything from tweets to meta descriptions to essays. Learn why they matter, how reading time is calculated, and how to track them.

QR codes connect the physical and digital worlds in one scan. Learn how they work, how to make ones that reliably scan, and where they add real value.

JSON is everywhere in modern development, and a single misplaced comma can break everything. Learn to format, validate, and debug JSON quickly and reliably.

Spotting what changed between two versions of text by eye is slow and error-prone. Learn how diff tools work and how to compare documents, code, and data reliably.