Nostr Signer
Your own personal Nostr bunker — keep your nsec on your own machine, and let web clients sign in and post without ever seeing your private key.
Nostr Signer is a friendly little desktop app that speaks NIP-46 (remote signing). Generate or import a key once, keep the app running, and any NIP-46-capable web client can connect with a bunker:// URI and ask you to approve each action — no copying your nsec into random websites ever again.
Your key is encrypted at rest via Electron safeStorage (Windows DPAPI, macOS Keychain, or the Linux Secret Service/libsecret keyring) and only ever exists unencrypted in the app’s own memory while it’s running.
This repository contains the source code for the desktop application for Windows, macOS, and Linux. Checkout this for pre-built binaries.
Written in TypeScript