Code Flux

Developer Guides & Tips

In-depth articles, tutorials, and best practices to help you work smarter with developer tools, AI models, and everyday coding tasks.

Developer EssentialsJune 11, 20268 min read

How to Format JSON: A Practical Guide for Cleaner Data

Learn how to format JSON, validate messy payloads, read nested objects, and prepare API responses, config files, and logs for debugging. Covers format vs. validate vs. minify and common mistakes.

Developer EssentialsJune 11, 20268 min read

Base64 Encode vs Decode: What Is the Difference?

Understand the difference between Base64 encoding and decoding, when developers use each, and how Base64 is used in APIs, images, auth headers, JWTs, and data URIs.

AI & PromptsJune 11, 20268 min read

How Many Tokens Are in X Words? AI Token Estimates Explained

Estimate how many AI tokens are in 100, 500, 1,000, or 2,000 words. Learn why token counts vary by model, language, punctuation, and formatting — and why it matters for cost and context windows.

Web StandardsJune 11, 20269 min read

URL Encoding Explained: When and Why to Encode URLs

Learn what URL encoding is, how percent-encoding works, why spaces become %20 or plus signs, which characters need encoding, and how to build safe query strings and UTM parameters.

AI & PromptsJune 11, 20269 min read

Best Prompt Structure for ChatGPT: A Practical Framework

Learn a practical 6-part prompt structure for ChatGPT — role, task, context, constraints, examples, and output format — with good vs. weak examples and tips for reusable templates.

AI & Machine LearningMay 25, 202612 min read

Under the Hood of AI: How Tokenization Works in Large Language Models

A deep dive into BPE, SentencePiece, and WordPiece — the algorithms that convert raw text into the tokens GPT-4, Claude, and other AI models actually process. Learn why token counts matter for cost, context windows, and prompt optimization.

Web StandardsMay 22, 202610 min read

Demystifying URL Encoding and Percent-Encoding in Web Development

Why does %20 mean a space? How do you avoid double-encoding bugs? This comprehensive guide covers RFC 3986, JavaScript's encoding functions, and the most common URL encoding pitfalls in APIs and web apps.

Architecture & SecurityMay 18, 202611 min read

Why State Management Matters for Client-Side Developer Tools

How tools like CodeFlux securely process your data entirely in the browser without server leaks. A meta-article on zero-server architectures, browser storage APIs, and why privacy-by-architecture beats privacy-by-policy.

Developer EssentialsApril 25, 20268 min read

JSON Formatting Best Practices: A Complete Guide for Developers

Master JSON formatting with industry best practices. Learn about indentation standards, naming conventions, validation techniques, and common pitfalls that trip up developers of all levels.

AI & PromptsApril 22, 202610 min read

AI Prompt Engineering: How to Write Effective Prompts for ChatGPT, Claude & More

Learn the art and science of prompt engineering. Discover proven techniques, templates, and strategies to get better results from AI language models like ChatGPT, Claude, and Gemini.

Developer EssentialsApril 18, 20267 min read

Base64 Encoding Explained: When, Why, and How Developers Use It

Demystify Base64 encoding with this comprehensive guide. Understand the algorithm, explore real-world use cases from email attachments to data URIs, and learn when Base64 is the right choice.