JSON Viewer

View JSON as an expandable tree with a raw toggle for quick inspection.

Fast processing • Browser-based • Easy copy and download

JSON Viewer

Input

Invalid JSON: Empty input. Paste or upload JSON to begin.

Paste valid JSON to view it as a tree.

Processed Locally

Your file never leaves your device. Everything is processed in your browser — we never see or store your data.

Frequently Asked Questions

JSON Formatter

Beautify JSON with stable indentation and optional key sorting.

JSON Validator

Validate JSON syntax with clear, human-friendly error messages.

JSON Compare / Diff

Compare two JSON inputs and generate a best-effort diff report (with stable key sorting).