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Base32 encoder and decoder

Convert UTF-8 text to standard Base32 or Base32hex and back, with optional padding and strict decoding.

Format

Updates as you type or change an option

Processed in this browser. Nothing is uploaded or saved.

About this tool

Convert UTF-8 text to standard Base32 or Base32hex and back, with optional padding and strict decoding.

How to use

Type text on the left or paste encoded data on the right. Choose Base32 or Base32hex, then copy or download the result. The padding option controls whether encoding ends with = characters.

Uses the RFC 4648 alphabets. Decoding accepts either letter case and whitespace, but checks padding and unused bits. Decoded bytes must be UTF-8. This is data encoding, not encryption or a one-time-password generator. Text limit: 2 MiB; encoded input limit: 4 MiB.

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