Validate and format your JSON data with syntax highlighting and error detection.
Size: 0 bytes | Objects: 0 | Arrays: 0
Instantly validate JSON data and detect syntax errors.
Format JSON with customizable indentation and sorting.
Visualize JSON structure in an interactive tree view.
Reduce file size by removing unnecessary whitespace.
Essential tool for developers working with JSON data. Features include:
How does the validator detect errors? Advanced parser identifies missing commas, brackets, and syntax violations with line-number precision.
Can I format minified JSON from APIs? Yes - paste any minified JSON to instantly beautify it with proper indentation.
Is there a file size limit? Process JSON files up to 10MB directly in your browser.
Does it store my data? No data is transmitted or stored - processing occurs locally.
Supports JSON with comments? Yes, handles JSONC (JSON with JavaScript-style comments).