JSON Formatter & Tree Visualizer 📂✨

Format, validate, beautify, and minify your JSON strings. Renders in side-by-side interactive code and collapsible tree visual layouts.

Code/Text Input Mode

Interactive Tree View Mode

Frequently Asked Questions

How does the JSON Tree Visualizer help?

It formats complex, raw, or minified JSON data into an interactive, human-readable tree structure where you can easily expand and collapse keys to examine elements.

What happens if my JSON data contains errors?

The built-in parser will run a validation check on your input. If there are syntax errors (e.g. missing commas or brackets), it highlights the exact line location to help you fix it.

Can I compress or minify JSON?

Yes. Clicking the "Minify / Compact" button removes all whitespace, carriage returns, and indentation, compressing your JSON data into a single string for transmission payloads.

Are my JSON datasets saved online?

No. All validation, formatting, and visualization are done 100% locally inside your browser's execution memory. Your data never leaves your computer.