JSONView by JSONView
Format and visualize JSON data with a collapsible tree view.
Extension Metadata
About this extension
Format and visualize JSON data in a clean, readable interface with a collapsible tree view. Easily expand or collapse nodes, inspect nested structures, and navigate complex JSON documents, making debugging, development, and data analysis faster and more convenient.
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Permissions and data
Required permissions:
- Access your data for all websites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.0.0
- Size
- 14.92 KB
- Last updated
- 24 days ago (Mar 14, 2026)
- Related Categories
- License
- Mozilla Public License 2.0
- Version History
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