Free JSON Tools
Free JSON Tools
Format, validate, minify, and inspect JSON data online with a simple, responsive tool. Paste JSON, choose an action, and copy the result when you are ready.
How to Use Free JSON Tools
Paste your JSON data into the input field and choose the action you need. Format / Beautify adds indentation and line breaks to make nested objects and arrays easier to read. Validate JSON checks whether the input follows JSON syntax and reports an error if it cannot be parsed. Minify JSON removes unnecessary whitespace to make the output more compact.
You can also sort object keys alphabetically, escape a JSON value into a string, or unescape a JSON-encoded string. Choose the indentation style before formatting. Use Copy Output to copy the result, or Use Output as Input to process the result again. All processing happens in your browser; avoid placing confidential data into any online tool unless you are comfortable with your browser environment.
Frequently Asked Questions
What is JSON?
JSON stands for JavaScript Object Notation. It is a text format commonly used to store and exchange structured data through APIs, configuration files, and web applications.
What does JSON validation check?
Validation checks whether the text can be parsed as valid JSON. It can identify syntax problems such as missing commas, unmatched brackets, or invalid string quoting.
What is the difference between formatting and minifying?
Formatting adds indentation and line breaks for readability. Minifying removes unnecessary whitespace to reduce the text size without changing the represented data.
Can this tool process arrays and nested objects?
Yes. The tool supports valid JSON values including objects, arrays, strings, numbers, booleans, and null, including nested structures.
Does the JSON tool work on mobile?
Yes. The layout adapts to mobile phones, tablets, and desktop screens. The input and output fields can be edited directly on supported browsers.
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