Formula - base64decode
The base64decode Formula in Nodinite lets you decode any base64-encoded string from message body, context, or even nested formulas. This page provides a clear, step-by-step guide with practical examples, so you can quickly master base64 decoding for your integration needs.
✅ Decode base64-encoded data from message body or context
✅ Use with nested formulas for advanced scenarios
✅ Support for character encoding (e.g., UTF-8, ISO-8859-1)
What is the base64decode formula?
The base64decode function decodes a base64-encoded string back to its original format. You can use it on message body, context, or the result of another formula. Optionally, specify a character encoding.
How does it work?
Each example below is structured in three clear steps:
- Input – The data or context you start with
- Formula – The base64decode expression you use
- Result – The output you get
Examples
Example 1: Decode base64 from message body
Input:
Tm9kaW5pdGU=
Formula:
base64decode(body)
Result:
Nodinite
Decodes the base64-encoded message body to 'Nodinite'
Example 2: Decode base64 with ISO-8859-1 encoding
Input:
U2tlbGxlZnRl5Q==
Formula:
base64decode(body, 'iso-8859-1')
Result:
Skellefteå
Decodes the base64-encoded message body using ISO-8859-1 encoding
Example 3: Decode base64 with UTF-8 encoding
Input:
U2tlbGxlZnRlw6U=
Formula:
base64decode(body, 'UTF-8')
Result:
Skellefteå
Decodes the base64-encoded message body using UTF-8 encoding
Example 4: Decode base64 from context value
Input:
bm9kaW5pdGU=
Formula:
base64decode(context('id'))
Result:
nodinite
![Example 4][4] Decodes the base64-encoded context value
Example 5: Decode base64 from nested formula result
Input:
[ { "name": "YXdlc29tZQ==" }, { "name": "ZnVuY3Rpb24=" } ]
Formula:
base64decode(jsonpath('$..name',body))
Result:
awesome, function
![Example 5][5] Decodes each base64-encoded name returned by the jsonpath function.
Usage Tips
- Use with any Content that returns base64-encoded text
- Works with jsonpath, xpath, or other formula functions
- Only use on small messages—this function loads the entire message into RAM
- Optionally specify a character encoding (see List of encodings)
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