Offline TOTP/2FA codes from a Base32 secret — algorithm, digits, period, otpauth URI.
Offline TOTP/2FA codes from a Base32 secret — algorithm, digits, period, otpauth URI.
Workspace
Private · Browser-based · No account · No upload
TOTP / 2FA Code Generator is a free online Security Tools tool on AllToolHub. Offline TOTP/2FA codes from a Base32 secret — algorithm, digits, period, otpauth URI.
It is designed for privacy-conscious users and developers. cryptographic helpers use browser APIs when available so secrets can be generated without an account.
When you finish, download or copy the result and close the tab on shared computers. Store important passwords in a password manager and never reuse them across critical sites.
Paste a Base32 secret or generate a random one.
Set issuer, account, digits, period, and algorithm.
Copy the live code, otpauth URI, or secret as needed.
Yes. TOTP / 2FA Code Generator on AllToolHub is free, requires no account, and is built to run in your browser without a paid plan or watermarks from us.
Processing is designed to happen locally in your browser whenever possible. cryptographic helpers use browser APIs when available so secrets can be generated without an account. Standard web hosting may still log technical page requests, not your file contents.
After the first visit, the Progressive Web App cache can keep many pages available offline. Tool scripts must be cached first; heavy libraries load when you open the tool.
Store important passwords in a password manager and never reuse them across critical sites. Related tools appear in the sidebar if you need a neighboring workflow.
Modern Chrome, Edge, Firefox, Safari, and mobile equivalents. Some advanced file or crypto features need a recent browser version.
No. Codes are generated with otpauth in your browser only. Prefer a dedicated authenticator app for production accounts.
Offline TOTP/2FA codes from a Base32 secret — algorithm, digits, period, otpauth URI. It runs in your browser on AllToolHub with no account required.
Very large inputs may be limited by your device memory and browser. For huge files, try a desktop machine or split the work into smaller batches.