Constant Case Converter

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Constant Case Converter

Instantly format your text to CONSTANT_CASE. This constant case converter capitalizes all letters and replaces spaces with underscores. It is commonly used by developers to define constant variables in source code.

What is Constant Case?

Constant case (often referred to as SCREAMING_SNAKE_CASE) is a convention where all letters are uppercase and words are separated by underscores. It visually stands out from other code.

Why Use Constant Case?

In programming, constant case is universally used to denote variables whose values should never change during the execution of a program (constants). This includes API keys, configuration settings, and mathematical constants like PI.

Example of Constant Case

Original: maximum timeout limit

Converted: MAXIMUM_TIMEOUT_LIMIT

Free Developer Utility

Stop manually pressing Caps Lock and typing underscores. Use our constant case converter to instantly format your configuration keys.