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Developer tutorials, guides, and tips

Code & Data

The Complete Guide to Working with JSON

Everything developers need to know about JSON: parsing, formatting, validation, schema, and converting between formats.

Image & Media

Image Optimization for the Web: A Developer's Guide

Learn how to compress, resize, convert, and optimize images for faster web pages without sacrificing quality.

Encoding

Understanding Character Encoding: Base64, URL Encoding, and More

A deep dive into encoding schemes every developer encounters: Base64, URL encoding, HTML entities, and Unicode.

Security

Web Security Fundamentals: Hashing, JWTs, and Certificates

Essential security concepts for developers: cryptographic hashing, JSON Web Tokens, SSL certificates, and key generation.

Code & Data

A Developer's Guide to Regular Expressions

Master regex from basics to advanced patterns. Lookaheads, groups, common recipes, and debugging tips.

Web & Design

CSS Layouts in 2026: Flexbox, Grid, and Beyond

A practical guide to modern CSS layout techniques with visual examples and code you can copy.

Web & Design

Color Theory and Accessibility for Developers

How to choose accessible color palettes, understand WCAG contrast requirements, and build inclusive interfaces.

Utilities

API Testing Without Postman: Lightweight Alternatives

How to test REST APIs directly in your browser or terminal without installing heavy desktop apps.

Code & Data

TypeScript Tips: Types from JSON, Schema, and API Responses

Generate TypeScript types automatically from JSON data, API responses, and JSON Schema definitions.

Security

Protecting Your Privacy: Image Metadata and EXIF Data

Why the photos you share online may reveal your location, camera, and habits, and how to strip that data.