Why this tool is useful
Use Base32hex for DNSSEC-style values and identifiers that benefit from an alphabet whose lexical order follows binary numeric order.
Text & List Tools · runs locally
Base32hex Text Encoder and Decoder
Encode and decode UTF-8 with the extended hexadecimal Base32 alphabet defined by RFC 4648 section 7.
Ready. Your working data stays in this browser.
How it works
The local codec uses digits 0–9 followed by A–V, applies canonical padding and rejects characters or trailing bits outside the standard.
Practical example
Hello becomes 91IMOR3F in Base32hex and returns to Hello when decoded.
Validation
The calculation is deterministic and explains validation errors instead of silently changing invalid input.
Privacy boundary
Input and output remain in this tab. Copy and download happen through browser APIs without a server upload.
Result passport
Every run reports its tool mode, timestamp and input/output size so transformed data can be audited.