J++ Runner by Supernova software
Run .jpp files in Firefox — a modern markup language that's faster and cleaner than HTML. (and more easy then HTML)
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Extension Metadata
Screenshots
Permissions and data
Required permissions:
- Access browser tabs
- Access your data for all web sites
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.0.0
- Size
- 45.12 kB
- Last updated
- 16 days ago (12 May 2026)
- Related Categories
- Licence
- Mozilla Public Licence 2.0
- Version History
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