TOTP / 2FA Code Generator
Paste a Base32 secret to generate live 6-digit TOTP codes with a countdown — exactly what authenticator apps produce. Useful for testing 2FA flows, computed locally.
How to use TOTP / 2FA Code Generator
Generate time-based one-time passwords (TOTP) from a secret key online. Compatible with Google Authenticator and 2FA. Free, private TOTP generator.
- Open TOTP / 2FA Code Generator using the tool above — no sign-up needed
- Enter your data or upload a file (processed entirely in your browser)
- Click the action button and get your result instantly
- Copy to clipboard or download your result
Your data never leaves your device — 100% private processing.
Frequently Asked Questions
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Why use TOTP / 2FA Code Generator?
- No installation — use directly from any browser
- Handles large inputs without crashing or timeouts
- Syntax highlighting and formatted output for readability
- Copy to clipboard shortcut for fast workflow integration
Common use cases
- Validate and format JSON responses from APIs
- Encode/decode Base64 strings during debugging
- Generate UUIDs for database seeds or test data
- Minify CSS or JavaScript before deployment
- Diff two code snippets to spot regressions
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