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Case Converter

Transform any string between common naming styles used in code and writing: UPPER CASE, lower case, Title Case, camelCase, PascalCase, snake_case.

Features

  • UPPER, lower, and Title Case
  • camelCase and PascalCase
  • snake_case, kebab-case, and CONSTANT_CASE
  • Live conversion as you type
  • One-click copy of the result

How to use Case Converter

  • 1
    Paste or type text into the input panel.
  • 2
    Choose a target case style from the buttons.
  • 3
    Copy the converted output when you are ready.

Examples

To camelCase

Input
Hello World from DevTools
Output
helloWorldFromDevTools

To snake_case

Input
Hello World from DevTools
Output
hello_world_from_dev_tools

About Case Converter

Switch strings between UPPER, lower, Title Case, camelCase, PascalCase, snake_case, and kebab-case. Built for renaming variables, CSS classes, API fields, and cleaning headlines.

Frequently asked questions

No. Case conversion runs entirely in your browser.

The tool splits on spaces, punctuation, and existing camelCase boundaries, then rebuilds the selected style.

Yes. Paste a variable or class name and switch between camelCase, snake_case, kebab-case, and more.