Blog

Learn what Base64 encoding is, how it works, when to use it, and when to avoid it. Includes practical examples in JavaScript, Python, and command line.

January 20, 2025

A complete guide to converting CSV files to JSON format. Covers structure differences, nested objects, data types, and common pitfalls to avoid.

January 18, 2025

Modern password security research shows length beats complexity. Learn why a 20-character passphrase is stronger than a complex 8-character password — and how to create both.

January 16, 2025

Everything developers need to know about Unix timestamps — what they are, how to convert them, common pitfalls, and code examples in JavaScript, Python, SQL, and more.

January 14, 2025

A practical guide to URL encoding (percent encoding) for web developers. Learn which characters need encoding, the difference between encodeURI and encodeURIComponent, and common mistakes.

January 12, 2025

How the Pomodoro Technique works, the neuroscience behind it, tips for making it effective, and how to adapt it to different work styles and tasks.

January 10, 2025

JSON explained from scratch — what it is, how to read and write it, the rules of valid JSON, common errors, and why it became the web's universal data format.

January 8, 2025

A practical guide to WCAG 2.1 color contrast requirements. Learn the AA and AAA standards, how to calculate contrast ratios, common failures, and tools to audit your design.

January 6, 2025

Master CSS gradients from basics to advanced techniques. Covers linear, radial, and conic gradients, color stops, transparency, and real-world design patterns.

January 4, 2025

How Kanban boards work, their origins at Toyota, the core principles of WIP limits and flow, and how individuals and teams can use them to manage any type of work.

January 2, 2025

A practical guide to working with PDFs online. When to merge vs split, how PDF compression works, converting between formats, and privacy considerations for handling documents.

December 30, 2024

Everything about web image optimization — JPEG vs PNG vs WebP, lossy vs lossless compression, quality settings, Core Web Vitals impact, and modern image formats.

December 28, 2024

The full story of QR codes — how data is encoded in the pattern, the different types of QR codes, error correction levels, and how to create effective QR codes for any purpose.

December 26, 2024

A gentle introduction to regular expressions. Learn the most important regex syntax, how to think in patterns, and practical examples for common tasks like email validation and text extraction.

December 24, 2024

The truth about keyword density in modern SEO — why it's less important than you think, what Google actually measures, how to avoid keyword stuffing, and better ways to optimize content.

December 22, 2024