Text Case Converter

What is a Text Case Converter?

A text case converter transforms text between the different casing conventions used in programming, file naming, and technical writing. Each programming language and context has preferred naming styles — JavaScript uses camelCase for variables, Python prefers snake_case, CSS uses kebab-case, and environment variables are CONSTANT_CASE. Manually converting between these formats is tedious and error-prone, especially with multi-word identifiers.

How to Use This Tool

1. Enter your text in the input field. It can be a variable name, sentence, or any text string.
2. Click a conversion button to instantly transform your text into the desired case format.
3. Copy the result from the output field and paste it directly into your code or document.

Common Use Cases for Developers

• Variable renaming: Convert between camelCase (JS), snake_case (Python/Ruby), and PascalCase (C#/Java classes) when porting code between languages.
• CSS class naming: Transform descriptive phrases into kebab-case for BEM methodology or CSS module class names.
• API field mapping: Convert snake_case database columns to camelCase JSON response fields, or vice versa.
• Environment variables: Transform config names into CONSTANT_CASE for .env files and shell scripts.
• URL slugs: Generate kebab-case URL slugs from page titles or headings for SEO-friendly routes.

Tips & FAQ

• Word boundary detection: The tool intelligently splits on camelCase boundaries, underscores, hyphens, dots, and spaces — so myVariableName, my_variable_name, and my-variable-name all convert correctly.
• Batch conversion: Paste multiple lines and each will be converted independently. Useful when renaming several variables at once.
• Convention guide: Use camelCase for JS/TS variables, PascalCase for classes/components, snake_case for Python/database fields, kebab-case for CSS/URLs, and CONSTANT_CASE for env vars and constants.