About this tool
A case converter changes the capitalization pattern of text — a fundamental text processing operation for developers, writers, and content creators. Different programming languages, style guides, and platforms use different naming conventions: camelCase for JavaScript variables, snake_case for Python and database columns, kebab-case for URL slugs, Title Case for headings, and Sentence case for paragraphs.
Our Case Converter handles 12+ transformation patterns including: (1) camelCase — first word lowercase, subsequent words capitalized; (2) PascalCase — every word capitalized; (3) snakecase — words separated by underscores; (4) kebab-case — words separated by hyphens; (5) CONSTANTCASE — all uppercase with underscores; (6) Sentence case — first letter capitalized; (7) Title Case — major words capitalized; (8) alternate case — toggles each character; (9) sponge case — alternating random case. It also includes a text cleaner that removes spaces and replaces them with your chosen separator.
All processing happens locally in your browser using JavaScript string methods. No text is ever transmitted to a server, and no history is logged. The tool works offline and preserves all characters except the spaces that are converted to your chosen separator.
Practical Usage Examples
Step-by-Step Instructions
Paste or type your text into the input area.
Select your target case format from the dropdown menu (camelCase, snake_case, kebab-case, PascalCase, etc.).
Or select "Replace spaces with" and enter any character or string to use as separator.
The converted text appears instantly in the output area.
Copy the result using the copy button, or download as a text file.
For URL slugs, use kebab-case and remove special characters.
Core Benefits
12+ case transformation formats including camelCase, PascalCase, snake_case, kebab-case.
Real-time conversion — no button press needed.
Space-to-separator replacement (custom separator input).
Text cleaning options (remove special characters, trim whitespace).
100% client-side — your text never leaves your browser.
Free, no signup, works offline after first load.
Frequently Asked Questions
Both use concatenated words with capitalized letters. In camelCase, the first word starts with a lowercase letter (e.g., "firstName", "userName"). In PascalCase, every word starts with an uppercase letter (e.g., "FirstName", "UserName").
The JavaScript community standard is camelCase for variable names, function names, and object properties. PascalCase is used for class names and React component names. snake_case is common in Python and database columns.
Kebab-case (with hyphens) is the standard for URL slugs, HTML/CSS class names, and file names in many systems. Example: "how-to-write-good-code" is more readable and SEO-friendly than "howtowritegoodcode".
Yes. The converter preserves accented characters, Unicode symbols, and non-Latin scripts. It only processes spaces and standard separators; all other characters are kept as-is.
Yes. All transformations happen locally in your browser using JavaScript. No text is ever sent to any server or logged.