Agent X Alpha

JSON Formatter

Client-SideOffline ReadyNo login required

Format, beautify, minify, and validate JSON instantly. Adjustable indentation with real-time syntax validation and error feedback.

Presets:
0 lines · 0 B

Instant Formatting & Minification

Beautify or minify JSON in a single click with custom indentation (2-space, 4-space, tabs) and key sorting.

Interactive Collapsible Tree

Explore deep JSON payloads with collapsible object/array nodes, instant path copying, and search filtering.

JSON to TypeScript Converter

Instantly generate clean, production-ready TypeScript types and interfaces from any JSON payload.

Frequently Asked Questions

Is my JSON data uploaded to an external server when formatting?
No. JSON parsing, validation, and beautification take place entirely in your client-side JavaScript engine. Your JSON data stays 100% private.
Can this tool validate syntax and pinpoint JSON parsing errors?
Yes, if your JSON has a missing comma, unescaped quote, or invalid syntax, the tool highlights the exact error and line number.
Does this tool support minifying JSON to save payload size?
Yes, you can toggle between formatted 2-space or 4-space indentation and compact minified JSON with a single click.
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