Nostore

Browser extension for secure key management and signing - not a client itself

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Nostore is a browser extension that provides secure Nostr key management and signing capabilities. It’s not a client itself, but enables web clients to work securely without handling your private keys directly.

Key Features

  • Secure Key Storage: Keys never leave your browser
  • NIP-07 Signing: Standard signing interface for web clients
  • Easy Integration: Works with all NIP-07 compatible clients
  • Open Source: Auditable security
  • Chrome & Firefox: Cross-browser support

Why Choose Nostore?

Nostore is essential if you use web-based Nostr clients. It provides a secure way to use clients like Snort, Iris, and Coracle without pasting your private key into websites.

How It Works

  1. Install the browser extension
  2. Import or generate your Nostr keys
  3. Visit any NIP-07 compatible web client
  4. The client requests signatures from Nostore
  5. You approve each action

Security Benefits

  • Keys never exposed to websites
  • Per-site permissions
  • Explicit approval for each signing
  • Open source for transparency

Technical Details

  • Developer: Lez
  • Open Source: Yes (MIT)
  • Platform: Chrome, Firefox, Brave

Unique Advantages

  • Best practice for web client security
  • Essential tool for web users
  • Simple, focused purpose
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