JSON Tool
JSON Formatter, Validator & Pretty Printer
Format, validate, beautify, and minify JSON strings with live syntax error detection and interactive tree view inspector.
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Input JSON String
Valid JSON Syntax ()
JSON Syntax Error:
📖 Detailed Guide & Use Cases
Format, validate, and debug JSON payloads with the JSON Formatter, Validator & Pretty Printer. It automatically highlights syntax errors with exact line numbers, formats unindented JSON into clean 2-space or 4-space tree structures, or minifies JSON for API payloads.
❓ Frequently Asked Questions (FAQ)
It uses standard JSON parser engines to pinpoint precise line numbers and character positions of syntax errors.
Yes, switch between Beautify and Minify modes with 1 click.