
Virtual Json Viewer by PS
JSON browser extension with virtual DOM, search and JQ filtering
164 Users164 Users
Extension Metadata
Screenshots





About this extension
IMPORTANT
To use this add-on, Firefox native json viewer must be disabled:
1. Go to about:config
2. Search for devtools.jsonview.enabled
3. Set to false
Features
- **Extremely fast** JSON rendering using virtual DOM
- Full text search
- JQ filtering
- JSON Lines support
- Customisable theme and settings
- Prettify/minify
- Raw JSON viewer
- Download JSON
Keyboard shortcuts
https://github.com/paolosimone/virtual-json-viewer#keyboard-shortcuts
FAQ
https://github.com/paolosimone/virtual-json-viewer#faq
Bugs and suggestions
https://github.com/paolosimone/virtual-json-viewer/issues
Note: JQ filtering availability relies on WebAssembly and is currently subject to website Content Security Policy
To use this add-on, Firefox native json viewer must be disabled:
1. Go to about:config
2. Search for devtools.jsonview.enabled
3. Set to false
Features
- **Extremely fast** JSON rendering using virtual DOM
- Full text search
- JQ filtering
- JSON Lines support
- Customisable theme and settings
- Prettify/minify
- Raw JSON viewer
- Download JSON
Keyboard shortcuts
https://github.com/paolosimone/virtual-json-viewer#keyboard-shortcuts
FAQ
https://github.com/paolosimone/virtual-json-viewer#faq
Bugs and suggestions
https://github.com/paolosimone/virtual-json-viewer/issues
Note: JQ filtering availability relies on WebAssembly and is currently subject to website Content Security Policy
Rated 5 by 3 reviewers
Permissions and dataLearn more
Required permissions:
- Access your data for all websites
Optional permissions:
- Access your data for all websites
More information
- Add-on Links
- Version
- 2.1.0
- Size
- 1.28 MB
- Last updated
- a month ago (Aug 24, 2025)
- Related Categories
- License
- MIT License
- Version History
- Add to collection