JSON Validator

Check whether a JSON document is valid and locate syntax errors.

JSON to validate

Valid JSON

About the JSON Validator

A validator answers one question quickly: can this document be parsed? That is usually what you need when an API rejects a payload or a config file refuses to load.

When the document is invalid the reported line and column point at the first character the parser could not accept — the actual mistake is often just before it, such as a missing comma or an unclosed bracket.

Frequently asked questions

Related tools

JSON Formatter

Formatters

Format, beautify and validate JSON with clear error messages.

Open Tool

SQL Formatter

Formatters

Format and minify SQL queries for several dialects.

Open Tool

JSON to YAML

Converters

Convert JSON documents into readable YAML.

Open Tool

YAML to JSON

Converters

Parse YAML and convert it into formatted JSON.

Open Tool