Livesecurityshipped May 17, 2026v1.0.0

JWT Builder

Name: JWT Builder
Author: Eko

Build JWT tokens visually. Set standard claims (iss, sub, aud, exp, nbf, iat) with date pickers and dropdowns. Add custom claims with a key-value editor. Choose signing algorithm and enter your secret/key. Get the signed token instantly. Complements the JWT Decoder tool.

jwttokenbuilderauthclaims

presets:

algorithm:

header

payload

secret

jwt

Click "Build Token" to generate.

🔒 HMAC computed with Web Crypto API. Use a strong secret in production. For RS256/ES256, see the JWT Decoder.