JSON Viewer Pro

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Overview

Clean, fast JSON viewer with tree view, search, and syntax highlighting. No ads, no tracking, no popups.

JSON Viewer Pro automatically detects and formats JSON responses in your browser. Features: - Collapsible tree view with syntax highlighting - Search across keys and values with highlighting - Copy individual values or full JSON paths - Toggle between formatted and raw JSON - Light, dark, and auto themes (follows your system preference) - URL detection — clickable links in string values - File size display in the toolbar Why JSON Viewer Pro? - Zero tracking or analytics — your data stays on your device - No ads, donation popups, or injected content - Fast and lightweight - Clean, modern UI with dark mode support - Open source

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Details

Version
0.1.0
Updated
March 2, 2026
Flag concern
Offered by
ken
Size
318KiB
Languages
English (United States)
Developer
Email
ken@kendocoding.com
Non-trader
This developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.

Privacy

Manage extensions and learn how they're being used in your organization

The developer has disclosed that it will not collect or use your data. To learn more, see the developer’s privacy policy.

This developer declares that your data is

Not being sold to third parties, outside of the approved use cases
Not being used or transferred for purposes that are unrelated to the item's core functionality
Not being used or transferred to determine creditworthiness or for lending purposes

Support

For help with questions, suggestions, or problems, visit the developer's support site