Features & Capabilities

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

User Growth & Download Statistics

App
By:
Humanjava Enterprises
Downloads:
79 13
Version:
1.2.0 Last updated: 2026-03-05
Version code:
8
Creation date:
2026-02-21
Publisher country:
CA CA
Permissions:
  • android.permission.CAMERA Very high risk
  • android.permission.INTERNET Low risk
  • com.android.vending.CHECK_LICENSE Safe
  • com.nostrkey.app.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION
Size:
8.85MB
Email:
Su*****@nostrkey.com
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Google Play Store
Data ingested on:
2026-06-14
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Android app. Please use these information below to contact the Android app developer.
Developed by:
Humanjava Enterprises
Google Play Store
https://play.google.com/store/apps/details?id=com.nostrkey.app
Email:
Su*****@nostrkey.com
Website:
https://nostrkey.com

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