Blog
Tutorials, tips and guides about JSON, APIs and developer tools.
JWT Tokens — How to Decode and Inspect Them Safely
Learn the structure of JWT tokens, how to decode them without a secret key, what each claim means, and how to check if a token has expired.
JSON Diff — How to Compare Two JSON Objects and Find Differences
Learn how to compare two JSON objects, understand what diff output means, and use JSON diff for API testing and debugging.
JSON to XML Converter — How It Works and When to Use It
Learn how to convert JSON to XML online, understand how keys become tags, and when XML is the right choice over JSON.
JSON to YAML — Complete Conversion Guide with Examples
Learn how to convert JSON to YAML and YAML back to JSON. Understand the differences, syntax rules, and when to use each format.
JSON to CSV — How to Convert JSON Arrays to Spreadsheets
Learn how to convert JSON to CSV online, handle nested objects, choose delimiters, and open the result in Excel or Google Sheets.
JSON Minifier — How to Compress JSON and Save Bandwidth
Learn how JSON minification works, how much file size it saves, and when to minify JSON in production. With size comparison examples.
JSON Validator — How to Find and Fix JSON Errors
Learn how to validate JSON online, understand common syntax errors, and fix them using exact line and column numbers. Complete guide with examples.
JSONKit Keyboard Shortcuts and Power User Tips
Speed up your JSON workflow with keyboard shortcuts, file upload tips, and other power user features in JSONKit.
JSON Minify vs Format — When to Use Each
Understand the difference between JSON formatting and minification, when to use each, and how much file size minification actually saves.
JSON Live Validation — How It Works and Why It Matters
Learn how live JSON validation works, what errors it catches, and how to read error messages with line and column numbers.
How to Use JSONKit Formatter — Complete Feature Guide
A complete walkthrough of every feature in JSONKit's JSON formatter: live validation, formatting, minifying, sorting, file upload, and more.
JWT Tokens Explained — How They Work and How to Decode Them
A clear explanation of JSON Web Tokens (JWT): structure, how they work, and how to safely decode them without sending to a server.
How to Format JSON Online — The Complete Guide
Learn how to format, beautify, and pretty-print JSON online for free. Covers indentation, sorting, and minification.
How to Validate JSON — 5 Methods Explained
Learn 5 different ways to validate JSON: online tools, browser console, Node.js, Python, and JSON Schema. With examples.
JSON vs XML vs YAML — Which Should You Use?
A practical comparison of JSON, XML, and YAML data formats. When to use each format and how to convert between them.
What is JSON? A Complete Beginner's Guide
Learn what JSON is, how it works, and why it is the most popular data format for APIs and web applications in 2025.