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JSON Viewer, Formatter & Validator

Upload or paste JSON, validate its syntax and explore the data graphically using an interactive tree. Processing happens locally in your browser.

JSON Workspace

Paste JSON or load a local .json file.

No file selected

JSON Input

0 characters

Graphical JSON Viewer

Validate JSON to generate the tree.
{ }
No JSON loaded

Your interactive tree will appear here.

✓

Validation

Waiting for JSON Paste or upload JSON and click Validate & Visualize.
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JSON Statistics

Characters 0
Bytes 0
Objects 0
Arrays 0
Keys 0
Values 0
Maximum depth 0
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Selected Node

JSON path $
Type —
Value —

JSON Viewer Features

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Upload JSON

Open .json files locally without sending them to the server.

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Interactive Tree

Expand and collapse nested objects and arrays visually.

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Search Structure

Find keys, values and JSON paths inside the loaded document.

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JSON Path

Select a node to inspect and copy its complete JSON path.

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Validate & Format

Check syntax, format readable JSON or minify it instantly.

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Private

All JSON processing is performed locally in your browser.

Privacy: JSON files are read locally with your browser's File API. The file contents are not uploaded to CVEWorks.

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