The CONSTANT_CASE Converter convert text to constant_case. It runs entirely in your browser — nothing is sent to a server.
Steps
- Paste or type your text in the Input box above.
- Click Run CONSTANT_CASE Converter (or use the Load sample button to try it first).
- Copy the result with one click.
Tips
- Your text stays on your device. We never upload or store it.
- The tool works offline once the page has loaded.
- Need to do this often? Bookmark this page and come back anytime.
About the CONSTANT_CASE Converter
Convert text to CONSTANT_CASE (uppercase with underscores), the format used for environment variables and constants in code.