Text tools

JSON5 Formatter and Validator

Use JSON5 Formatter and Validator online for free. Adjust the available options and process your data locally in your browser, with no installation or sign-up.

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Your data is processed only in your browser

Features and usage

Enter your content or choose the options above, then review the result. Tool calculations run locally in your browser.

Available options

  • Output (JSON, JSON5)

Scope and limitations

Supports JSON5 data literals. Does not execute JavaScript functions or expressions.

Example input
{name: 'Little Toolbox', items: [1, 2,],}
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