Paste your JSON below
Formatted output will appear here...
Paste a JWT token to decode its payload
Header
Header will appear here...
Payload
Payload will appear here...
Encode or decode Base64
Output will appear here...
Generate UUIDs (v4 — cryptographically random)
Click Generate to create a UUIDYour tool usage history (Premium feature)
No history yet. Use the tools to build up your history.