Inspect JSON Web Tokens directly in your browser. Tokens, secrets, and keys are not uploaded or stored.
Local in your browser. No uploads. No browser storage.
Paste a JWT to inspect its header, payload, claims, and signature.
Algorithm: unknown · Family: Unknown
Algorithm: HS256
Fill in the header, payload, and signing input to generate a JWT.
Family: HMAC
Local in your browser. No uploads. No browser storage.
Encrypt and decrypt PGP messages locally in the browser without uploading or storing content.
Generate memorable passphrases locally with English or German wordlists.
Create, analyze, and export QR codes and barcodes locally as SVG or PNG without uploading content.