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Tutorials, references and tips for the tools you use every day.

10 Free Dev Tools Every Programmer Should Bookmark

A curated list of 10 free, no-signup dev tools that save time every day.

Generate Lorem Ipsum or custom placeholder text for mockups and demos.

Convert Unix timestamps to readable dates and back. Handy for logs and APIs.

Compare two texts or files side-by-side with a free diff tool. No uploads required.

Compare SHA-256 and MD5: security, speed, and when to use which for hashing.

Generate UUIDs (v4) instantly and learn when they're the right choice for IDs.

Understand URL encoding (percent-encoding): when it's needed and how to encode or decode query strings.

Decode JWTs and inspect header and payload without writing code. Perfect for debugging auth.

Test regular expressions in real time with a clean, fast regex tester built for developers.

Learn what Base64 is, when to use it, and how to encode or decode strings in seconds.