Nostr Tools
NIP-19Universal Nostr Converter

Convert Nostr Keys

Instantly convert between npub, hex, nsec, note, nprofile, nevent, and naddr

Generate New Keys

All Tools

Choose the converter you need

Universal Key ConverterFeatured

Convert between all Nostr formats: npub, hex, nsec, note, nprofile, nevent, naddr

Generate Keys

Generate a new Nostr keypair (nsec and npub)

Universal DecoderFeatured

Decode any Nostr identifier (npub, nsec, note, nprofile, nevent, naddr) to hex and structured data

Npub ↔ Hex

Convert between npub and hex public key formats (bidirectional)