Nostr Signer (formerly Nostr Connect) by Ren Amamiya
Manage nostr keys and sign events
Available on Firefox for Android™Available on Firefox for Android™
Extension Metadata
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About this extension
Nostr Signer allows you to securely sign nostr events without sharing your private keys with clients.
Key features:
- Implements NIP-07 standard for seamless client integration
- Supports NIP-04 and NIP-44 encryption
- Fine-grained permission control per client
- Clean, modern interface
- Your private keys never leave your browser
With Nostr Signer, web clients can request signatures through a standardized interface while you maintain full control over your keys. Approve or deny each request individually, and manage your permissions from the settings page.
Key features:
- Implements NIP-07 standard for seamless client integration
- Supports NIP-04 and NIP-44 encryption
- Fine-grained permission control per client
- Clean, modern interface
- Your private keys never leave your browser
With Nostr Signer, web clients can request signatures through a standardized interface while you maintain full control over your keys. Approve or deny each request individually, and manage your permissions from the settings page.
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Permissions and data
Required permissions:
- Access your data for all websites
Optional permissions:
- Display notifications to you
Data collection:
- The developer says this extension doesn't require data collection.
More information
- Add-on Links
- Version
- 1.0.0
- Size
- 712.03 KB
- Last updated
- 16 days ago (Apr 8, 2026)
- Related Categories
- License
- The Unlicense
- Privacy Policy
- Read the privacy policy for this add-on
- Version History
- Tags
- Add to collection