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NostrKey

ExtensionSocial Networking1 user
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Item media 1 (screenshot) for NostrKey
Item media 1 (screenshot) for NostrKey
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Overview

Nostr key manager and signer for web apps. Securely store your private keys and sign events without exposing them to websites.

Nostrkey - Secure Nostr Key Management for Your Browser 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 Supports: NIP-01, NIP-04, NIP-07, NIP-44, NIP-46, NIP-49

Details

  • Version
    1.5.4
  • Updated
    February 24, 2026
  • Size
    1.69MiB
  • Languages
    English
  • Developer
    Humanjava Enterprises
    38 Victoria Crescent Nanaimo, BC V9R 5B8 CA
    Website
    Email
    support@nostrkey.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, please open this page on your desktop browser

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