What is JSON Super Viewer?

JSON Super Viewer is a powerful online tool to view, format, minify and analyze JSON with a tree view and raw output.

Does JSON Super Viewer upload my data?

No. All processing happens inside your browser only. Your JSON never leaves your device.

Can I sort JSON keys alphabetically?

Yes. JSON Super Viewer supports one-click key sorting for cleaner structure.

JSON Super Viewer – Format, Beautify & Validate JSON Online

JSON Super Viewer is an advanced, developer-friendly JSON formatter and viewer with tree view, minify, sort keys, search and collapse/expand support – all running inside your browser.

JSON INPUT

OUTPUT

Paste JSON or load sample to start.

Paste JSON on the left and click Format to see tree.

Detected Keys

No keys yet. Format valid JSON to detect keys.

Key Features

1. Beautiful JSON Formatting

Convert raw JSON into readable, indented and color-friendly structure with a single click.

2. Interactive Tree View

Explore deeply nested JSON using a tree view. Expand or collapse nodes and inspect objects or arrays quickly.

3. Instant JSON Validation

Validate JSON structure instantly and see clear error messages if something is broken or malformed.