Smart JSON Linter

Validate, format, and auto-fix JSON with intelligent error correction and beautiful formatting

Input JSON
Paste your JSON here - it can be invalid, incomplete, or poorly formatted
0/10,000 chars0 words
Results
Validation results and intelligent suggestions

Enter JSON and click Validate, Auto-Fix, or Auto Convert to see results

Smart Features
This JSON linter goes beyond basic validation with intelligent auto-correction
"

Auto-Fix Quotes

Converts single quotes to double quotes and adds missing quotes around keys

,

Remove Trailing Commas

Automatically removes trailing commas that cause parsing errors

{}

Complete Structures

Adds missing closing brackets and braces to incomplete JSON

Smart Formatting

Beautiful indentation and consistent spacing for readability

AI Auto Convert

Convert any text, data, or code into valid JSON using AI intelligence