JSON Viewer
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About JSON Viewer
This free online JSON Viewer lets you view, format, validate, and explore JSON data. Paste your JSON into the input panel or upload a file, and instantly beautify it with configurable indentation, minify it for production, or validate its structure.
Features
- Beautify - format JSON with your preferred indentation (2, 3, 4 spaces, or tabs)
- Minify - compress JSON by removing all whitespace
- Validate - check whether your JSON is syntactically valid
- Tree View - browse your JSON as an interactive, expandable tree
- To XML - convert JSON to well-formed XML
- To CSV - convert JSON arrays to CSV format
- Drag and drop - reorder keys in tree view
When to Use
Use the JSON Viewer when debugging API responses, inspecting configuration files, cleaning up messy JSON, or quickly converting between formats. The tree view is especially helpful for exploring deeply nested structures without getting lost in brackets and braces.