Kehai JWT: JWT debugging in your browser
Decode, verify, and sign JWTs locally in your browser. No telemetry. No server round-trip.
Isolated workspace
Processing localized to the browser sandbox. No telemetry. Complete data isolation.
Specimen mapping
Segment-level contrast for rapid identification of header metadata, payload, and signature fields.
Registry audit
Copy-ready panels and local-only workflow for repeatable inspection runs.
Header
Metadata{
"alg": "none",
"typ": "JWT"
}
Payload
Data{
"sub": "1234567890",
"name": "John Doe",
"iat": 1516239022
}