JSON Formatter & Viewer Online Tool
Json formatter online, json viewer - Format, validate and beautify JSON data with syntax highlighting and error prompts
💡 Tip: Supports automatic parsing of JSON string formats, including nested JSON strings. For example:
- Double quote format:
"{\"name\":\"John\"}" - Single quote format:
'{"name":"John"}' - Nested JSON string:
{"data":"{\"age\":30}"}will be automatically parsed as{"data":{"age":30}}
Input JSON
Valid
Format Result
Syntax Validation
Real-time JSON syntax error checking with detailed error information and location prompts
Format & Beautify
Automatically format JSON data with customizable indentation size for better readability
One-Click Export
Support copy to clipboard and download files for easy saving and sharing of results