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Lowercase

Input
value
Transform value to lowercase
transformation:
lowercase

Convert text to lowercase

source:value
Output
value
hello world
mixedcase
upper
already
123

Sample inputs run locally in your browser using the same operation logic as Fontana Flow.
Results are illustrative, not connected to a workflow.

Convert text to lowercase.

Parameters

This operation has no configurable parameters.

Field selection

  • source — Field whose values this operation reads. Omit to apply to all fields on the row.
  • target — Optional output field. When omitted, the source field is updated in place.

JSON Configuration

{
"id": "op-lowercase",
"type": "transformation",
"action": "lowercase",
"params": {},
"testInputs": [
"Hello World",
"MixedCase",
"UPPER",
"already",
"123",
""
]
}