Description
Decode one Base45 two- or three-symbol group.
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 Base45 two- or three-symbol group.
When to use this tool
Use Base45 Pair Triple Group Value when inspecting one stated alphabet, group or padding component.
How to use the tool and how it works
- Enter token. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read bytes, value. Use the output convention below.
Decode one Base45 two- or three-symbol group. Map symbols to ordered base-45 digits, accumulate least-significant digit first and require a two-symbol value < 256 or three-symbol value < 65536; return one or two bytes.1
Base45 maps three symbols to two bytes and a final pair to one byte, subject to the corresponding numeric range limits.2
| Input field | Meaning and units | Accepted input |
|---|---|---|
| token | Token | Required. Text; maximum UTF-16 length 8192. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| bytes | Octet values, each from 0 through 255, in the stated byte order. | Required. Array of safe integer; maximum items 256. |
| value | Value | Required. Safe integer. |
{
"input": {
"token": "BB8"
},
"output": {
"bytes": [
65,
66
],
"value": 16706
}
}Limitations and assumptions
- This handles one group only and does not infer a larger stream's grouping.
- 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
- Base58 Alphabet Symbol Value
Return a Bitcoin-style Base58 symbol's index.
- Decoding: Base64 Alphabet Symbol Value
Return a Base64 or Base64url symbol's value.