📝 Text & Content
JSON Formatter & Validator
Beautify, minify, and validate JSON instantly — syntax errors are clearly highlighted.
How the JSON Formatter works
Paste any JSON string and click Format / Beautify to add 2-space indentation and line breaks. Click Minify to strip all whitespace for compact transmission. The validator runs automatically on every action — if your JSON has a syntax error, the exact problem is displayed so you can fix it quickly.
Frequently Asked Questions
People also ask — answers optimized for search engines and voice queries.
How do I format JSON online?
Paste your JSON into the formatter above and click "Format / Beautify". The tool instantly indents and formats your JSON for easy reading.
How do I validate JSON?
The formatter automatically validates your JSON when you click Format. If there is a syntax error, it is highlighted in red with the specific problem described.
What is the difference between formatting and minifying JSON?
Formatting adds indentation and line breaks to make JSON human-readable. Minifying removes all whitespace to create the smallest possible output, useful for APIs and reducing network payload.
Why is my JSON invalid?
Common JSON errors include: missing quotes around keys, trailing commas after the last item, single quotes instead of double quotes, and unescaped special characters inside strings.
Is this JSON formatter free?
Yes, the JSON Formatter on Potential Daily is completely free with no sign-up required.