How to Use This Tool
- Step 1: Paste unformatted JSON into the code editor.
- Step 2: Click Format to prettify or Minify to compact.
Key Features & Advantages
- Prettify & Minify JSON strings.
- Syntax error validation with line numbers.
Technical Details & Specifications
Parses JSON via native V8 engine JSON.parse() and stringifies with custom indentation.
Frequently Asked Questions
Is my JSON data uploaded anywhere?
No, all validation happens inside browser JavaScript memory.