📋 Data
JSON Formatter & Validator
Paste JSON to format with pretty printing, validate for syntax errors, explore as a collapsible tree, and minify. Handles large JSON files up to 5MB.
📖 How to Use This Tool
▼1
Paste or type JSON into the input panel
2
Output auto-formats with syntax highlighting — errors show in red
3
Switch to Tree View to explore nested structures with collapse/expand
4
Use Minify to compress or adjust indent size (2/4 spaces or tabs)
📝 Examples
Format messy JSON
{"name":"Alice","age":30,"tags":["dev","ops"]}
Formatted with 2-space indent + syntax highlighting
📝 Input JSON
Indent:
✅ Formatted Output