JSON Formatter & Validator
Validate, format, minify, and inspect JSON data. Explore nested structures in an interactive tree view, view arrays in table format, search keys/values, and export.
📥 JSON Input
Formatted JSON will appear here
📖 How to Use
Simply paste your raw, messy JSON string in the left-hand text area. The parser will validate the structure automatically. If it's valid, a beautifully formatted JSON string with correct indentations will appear in the right-hand box.
🛡️ Why Use This Tool
Formatting JSON makes nested API payloads and configurations human-readable. It helps catch syntax errors (such as missing brackets, incorrect commas, or keys without double quotes) before they hit production environments.
Frequently Asked Questions
Yes, your data never leaves your computer. The formatting, validation, and layout parsing occur entirely inside your browser execution engine via client-side JavaScript.