PKCE
Proof Key for Code Exchange — OAuth extension preventing authorization code interception. Required for public clients (SPAs, mobile).
Quick Answer
See our full JWT Glossary for related terms, or use the JWT Decoder to inspect tokens in practice.
What is PKCE?
Proof Key for Code Exchange — OAuth extension preventing authorization code interception. Required for public clients (SPAs, mobile).
See It in Practice
Paste any JWT into our JWT Decoder to see related claims in action. Use the JWT Debugger for detailed analysis.
Related
Browse the full JWT Glossary or explore JWT Basics.
PKCE in JWT Authentication
Understanding PKCE helps you read RFC 7519, debug tokens, and design secure authentication. JWTs combine header, payload claims, and a cryptographic signature.
Browse related resources: JWT Decoder, JWT Validator, JWT Basics, JWT Authentication, JWT Errors, Algorithms, Glossary, and Learning Path.