Soapbox.pub Signer por Soapbox

Soapbox Signer is a browser extension implementing the NIP-07 signer protocol for Nostr. Manage multiple user profiles, sign events, and enjoy NIP-04/NIP-44 message encryption. Features granular per-domain permission controls for public key access, event signing with per-kind allowlists, and encryption operations. Supports Chrome and Firefox with profile metadata management and trusted domain settings.