JSON Formatter and Validator
FeaturedValidate, beautify, minify, and sort JSON payloads with exact syntax error diagnostics.
Privacy & Data Handling: JSON validation and formatting can run in-browser or on-server with strict payload redaction in logs.
HYBRID MODE
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How to Use JSON Formatter and Validator
- Paste your raw or minified JSON string into the input editor.
- Select indentation (2 spaces, 4 spaces, or tabs) or Minify mode, and optionally check Sort Keys Alphabetically.
- Click Format & Validate to inspect the clean JSON output.
About This Utility
Debug API responses and configuration files effortlessly. Our JSON Formatter validates syntax against RFC 8259, highlights exact parse errors, formats with 2-space, 4-space, or tab indentation, and optionally sorts object keys recursively.
Frequently Asked Questions
No. Recursive key sorting only reorders associative object keys alphabetically while preserving the exact element order of indexed arrays.