Base32 Encoder — Encode Text to Base32 Online
Base32 Encoder converts text to Base32 encoding using the standard RFC 4648 alphabet (A–Z, 2–7). Base32 produces longer output than Base64 but uses only uppercase letters and digits 2–7, making it safe for case-insensitive systems.
Common Use Cases
- Generating Base32-encoded TOTP secrets for 2FA/MFA apps
- Encoding data for case-insensitive storage or transmission
- Creating Base32 identifiers compatible with DNS labels
Frequently Asked Questions
What is Base32 used for?
Base32 is used in TOTP (Time-based One-Time Passwords) for two-factor authentication, in Tor .onion addresses, and anywhere that requires an encoding safe for case-insensitive environments.
Privacy & Security
This tool runs entirely in your browser using client-side JavaScript. No data is sent to a server — your input never leaves your machine. SmartDevBox has no account system, no usage tracking, and no paid tier. See the Privacy & Security page for full details.
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