Constant Case Converter
Convert text to CONSTANT_CASE for constants and env variables.
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Convert text to CONSTANT_CASE
Paste a phrase above to convert it to CONSTANT_CASE, also called SCREAMING_SNAKE_CASE: every word is uppercased and the words are joined with underscores. This is the convention for constants, enum values and environment variable names across most programming languages. Copy the result with one click.
CONSTANT_CASE vs snake_case
They share the underscore separator, but snake_case is all lowercase (my_value) while CONSTANT_CASE is all uppercase (MY_VALUE). Uppercase signals a fixed constant or environment variable.
Frequently asked questions
What is CONSTANT_CASE for?
Constants, enum values and environment variable names, where all-caps with underscores signals a fixed value.
Is it the same as snake_case?
It uses the same underscores but in all uppercase, while snake_case is all lowercase.