TOTP Authenticator
Save TOTP secrets and watch live 6-digit codes rotate.
About this tool
Persistent companion to the TOTP code generator. Add a label + Base32 secret (or paste an otpauth:// URL) and the tool stores it encrypted with AES-GCM 256, then renders the current code for each entry with a countdown to the next rotation. Algorithms SHA-1 / SHA-256 / SHA-512, 6 or 8 digits, custom period.