Blog: Guides & Tutorials

Practical articles about development, security and web performance.

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Web Performance Oct 6, 2026

How to Compress Images for a Faster Website Without Losing Quality

Images are usually the heaviest part of a web page. These practical steps cut their size dramatically while keeping them sharp.

Security Oct 4, 2026

MD5 vs SHA-256: Which Hash Algorithm Should You Use?

MD5 is fast and everywhere, but is it safe? This guide compares MD5, SHA-1 and SHA-256 and explains what to use for checksums, signatures and passwords.

Developer Guides Oct 2, 2026

How to Format and Validate JSON Online (Beginner's Guide)

JSON is everywhere, but a single misplaced comma can break an entire API call. Here is how to read, format and validate JSON quickly.