NostrKey

Nostrkey is a browser extension that safely manages your Nostr private keys and signs events for Nostr-enabled web applications. Your keys never leave your device and are never exposed to websites.

Key Features:

🔐 Secure Key Storage

- Store multiple Nostr profiles with nsec or hex private keys

- Optional master password encryption for keys at rest

- NIP-49 encrypted key import/export (ncryptsec)

- QR code generation for easy key sharing

🔗 Remote Signer Support

- Connect to nsecBunker via NIP-46

- Use remote signing without storing keys locally

⚙️ Granular Permissions

- Control which websites can access your keys

- Set permissions per app and per action type

- Choose "Allow", "Deny", or "Ask" for each request

📡 Relay Management

- Configure relay preferences per profile

- Set read/write permissions for each relay

- Recommended relay suggestions included

🔒 Privacy & Security

- Keys are stored locally in your browser

- No data sent to external servers

- Open source and auditable

- Support for nostr: protocol links

Perfect for:

- Nostr users who want secure key management

- Anyone using multiple Nostr web clients

- Users who need to manage multiple Nostr identities

- Privacy-conscious individuals