Ed25519 Sign or Verify
In
✉️ Message
Text (UTF-8)
Hex
base64
Message ("pure")
Digest ("ph")
🔏 Sign
✅ Verify
🚫 Clear all
Hex
base64
🎲 Gen Random
🌱 Gen from Seed
🌱 Seed (Private Key
🔑 Public Key
✍️ Signature
Out
Hex
Seed:
Public Key:
Seed || Public:
Signature:
base64
Seed:
Public Key:
Seed || Public:
Signature:
Live Demo (this page)
Source code on Github
Javascript TweetNaCL tool
Noble Ed25519 tool (at the bottom of that page)
Implemented with the noble/ed25519 library.
Mozilla blog, "How do Ed5519 keys work?"