📋 JSON Formatter & Validator
Free online JSON formatter, beautifier, and validator. Paste your JSON and get beautifully formatted output with syntax highlighting.
What is JSON Formatter?
JSON (JavaScript Object Notation) is a lightweight data interchange format that is easy for humans to read and write. Our JSON formatter tool helps you beautify messy JSON, minify formatted JSON for production use, and validate JSON to find syntax errors.
How to Use JSON Formatter
- Paste your JSON data into the input area above
- Click 'Format / Beautify' to get nicely indented JSON
- Click 'Minify' to compress JSON to a single line
- Click 'Validate' to check for syntax errors
Common JSON Errors
- Missing commas between properties
- Trailing commas (not allowed in JSON)
- Single quotes instead of double quotes
- Comments (not supported in standard JSON)