JWT Decoder / Encoder

Decode, verify (HS256/384/512), and generate JWT tokens — all in your browser, no upload.

JWT Token
Status: Idle
Common Claims
Issued At (iat):
Expires (exp):
Not Before (nbf):
Subject (sub):
Issuer (iss):
Audience (aud):
Header

                
Payload

                
Signature Algorithm: N/A Verified: N/A

                  
Header (JSON)
Status: Idle
Payload (JSON)
Result Token

Keep your secrets safe. Do not share tokens that contain sensitive data.

Tips & How to Use

  • 1. Paste a JWT token into the JWT Token field.
  • 2. Click Decode to view header & payload as JSON.
  • 3. To verify, enter the shared secret and click Verify — supported: HS256, HS384, HS512.
  • 4. Use Encode / Generate to create a token: edit header & payload JSON, choose algorithm and (if HMAC) provide secret.
  • 5. Copy or download the result token. Avoid sharing secrets or private data.

สินค้าแนะนำ

อัปเดตล่าสุด 27 Aug 2025, 23:28