Text & Content
JSON Formatter.
Format, validate, beautify, and minify JSON text client-side. Find exact line syntax errors instantly with detailed logs.
JSON Format Checked
Validation details here...
How to use the JSON Formatter
- Paste your raw JSON text into the editor textarea.
- Click "Format 2 Spaces" or "Format 4 Spaces" to beautify.
- Click "Validate" to check syntax. Syntax errors display specific line numbers.
- Click "Minify" to remove all whitespace and put JSON on a single line.
Frequently Asked Questions
Yes. All JSON formatting, minification, and validation are computed entirely within your web browser. No data is transmitted to any server.
If the JSON is invalid, the validator parses the text and displays the precise parser error message and line number where the issue occurred.