Prettify JSON. Privately.

Beautify malformed or AI-generated JSON, explore it in an interactive tree-like view, and share the view with a compressed URL link - all without leaving your browser.

Runs locally

Open source

Forgiving parser

Privacy first

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Runs locally

Everything happens in your browser. Your JSON never leaves your device.

Open source

Transparent, auditable and community-driven. Contribute or self-host it.

Forgiving parser

Accepts common JSON mistakes so malformed LLM output is easier to recover.

Privacy first

No ads. No cookies. No fingerprinting. Just a simple tool that respects your privacy.