Description
Decode one hexadecimal half-byte independent of letter case.
Encoded representations separate alphabet symbols, numerical digit values, byte grouping and tail padding. Recognizing one symbol or pad-bit pattern is not full payload decoding, and different alphabet variants can assign different values.
Decode one hexadecimal half-byte independent of letter case.
When to use this tool
Use Base16 Halfbyte Case Insensitive Value when inspecting one stated alphabet, group or padding component.
How to use the tool and how it works
- Enter symbol. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read value. Use the output convention below.
Decode one hexadecimal half-byte independent of letter case. Require exactly one hexadecimal digit and return its value in [0,15].1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| symbol | One symbol from the stated alphabet; matching uses the stated case convention. | Required. Text; maximum UTF-16 length 8192. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| value | Value | Required. Safe integer. |
{
"input": {
"symbol": "f"
},
"output": {
"value": 15
}
}Limitations and assumptions
- No full byte pairing, integer length, prefix or stream parsing is performed.
- Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
Alternative or Complementary methods
Use the complete codec matching the required alphabet and canonicality rules for real encoded data.
References
Similar or alternative tools
- Hex Nibble Pair Reader
Decode two single hexadecimal nibble symbols to a byte.
- Hex Stream Odd Nibble Flag
Count hexadecimal nibbles and flag odd length.