How to Generate Strong Passwords (And What Makes One Actually Secure)
What actually makes a password strong? Length, randomness, entropy — explained plainly. Plus how to generate and check secure passwords instantly in your browser.
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September 2025
All articles published in September 2025.
The Developer's Guide to UUID vs Nano ID: Which Should You Use?
UUID and Nano ID both generate unique identifiers — but they make different trade-offs. Here's how to choose the right one for your database keys, URLs, and tokens.
Read ArticleBase64 Encoding Explained: What It Is and When to Use It
Base64 isn't encryption — it's encoding. Learn what it actually does, when to use it, when not to, and how to encode and decode instantly in your browser.
Read ArticleRegex for Beginners: Writing Your First Patterns (With a Live Tester)
Regular expressions look intimidating but they're built from just a handful of simple concepts. Learn anchors, character classes, quantifiers, and real-world patterns with a live tester.
Read ArticleHow to Format and Validate JSON Online Without Installing Anything
Raw JSON is nearly impossible to read. Learn how to format, validate, and debug JSON instantly in your browser — no tools to install, no accounts to create.
Read ArticleTry the tools yourself — free.
Format, encode, generate, and convert — everything runs client-side. No account needed.