What Base32 Encoder/Decoder helps you do
Encode and decode Base32 text using the RFC 4648 alphabet common in OTP secrets, some DNS records, and legacy binary-to-text pipelines. Padding and case handling follow the tool's on-page options.
Encoding and decoding run entirely in your browser. Input is not uploaded to Haivix.
How to use Base32 Encoder/Decoder
- Enter plain text to encode or a Base32 string to decode.
- Choose padding behavior if offered, then copy the output for configs or tests.
When to use it
- Format TOTP shared secrets for authenticator app setup docs.
- Translate Base32 test fixtures when validating codec implementations.
- Recover binary data from Base32 logs without command-line utilities.
Frequently Asked Questions
RFC 4648 Base32 with uppercase A–Z and digits 2–7. Padding follows the options shown on the tool page.
No. This tool uses the standard RFC alphabet common for TOTP secrets, not the hex variant.