Docs / String
Lowercase is an AMPscript function in the string category.
Lowercase(str)
%%=Lowercase("HELLO Ada")=%%
hello ada
Output produced by AmpSend's AMPscript engine (validated against Salesforce's own test corpus) - not a hand-written result.
Try Lowercase in the editor - free, no signupAmpSend runs AMPscript entirely in your browser: instant preview, named test scenarios, shared content blocks and data extensions, and an AI assistant that knows every supported function. Nothing leaves your machine.
Lowercase in the official AMPscript reference - or browse the official index of AMPscript functions for platform behavior and edge cases.