Blog
Guides, tutorials, and tips for developers.
How to Convert XML to JSON
Guide to converting XML documents to JSON for modern APIs. Online converter with attribute and array handling.
XML · 8 minHow to Escape XML Characters Online
Complete guide to escaping XML special characters: & < > " '. Free online XML entity encoder reference.
JSON · 8 minHow to Format JSON Online (Free & Private)
Step-by-step guide to formatting JSON online without uploading data. Free, browser-based JSON beautifier.
JSON · 10 minHow to Parse JSON: A Complete Developer Guide
Learn how to parse JSON in JavaScript, Python, and other languages. Includes examples, common errors, and best practices.
JSON · 9 minWhat is JSON? Definition, Syntax, and Examples
Understand what JSON is, how it works, and why it became the default format for APIs and configuration.
JSON · 10 minJSON vs XML: Which Should You Use in 2026?
Compare JSON and XML for APIs, configuration, and data exchange. Pros, cons, and when to choose each.
API · 11 minREST API Tutorial: Design, JSON, and Best Practices
A practical guide to building REST APIs with JSON payloads, status codes, and versioning.
JWT · 9 minHow JWT Works: Structure, Security, and Decoding
Understand JSON Web Tokens — header, payload, signature — and how to decode them safely.
JSON · 8 minHow to Validate JSON: Tools and Techniques
Step-by-step guide to validating JSON syntax, catching errors, and fixing common mistakes.
JSON · 8 minHow to Pretty Print JSON: Formatting Guide
Learn how to beautify JSON with indentation, choose spacing styles, and when to minify instead.
SQL · 9 minBest SQL Formatter Guide: Beautify Queries Online
Format SQL queries with proper indentation, style conventions, and tips for complex statements.
JSON · 8 minRemove Duplicate JSON Keys: Detection and Prevention
Understand how parsers handle duplicate keys, detect them in your data, and prevent subtle bugs.
JSON · 9 minJSON Escape Characters: Complete Reference Guide
Every valid JSON escape sequence explained with examples, common errors, and debugging tips.