Text Diff Checker
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Compare two pieces of text and see line-by-line additions and deletions, like a Git diff. Highlights every change.
Case Converter
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Convert text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case, kebab-case, and more.
Case Converter
About This Tool
Supported Cases
- UPPERCASE — every letter capitalized
- lowercase — every letter lowered
- Title Case — First Letter Of Each Word
- Sentence case — capital after every period
- camelCase — joined, first word lower, rest capital
- PascalCase — joined, every word capital
- snake_case — lower, joined with underscores
- kebab-case — lower, joined with hyphens
- CONSTANT_CASE — upper, joined with underscores
- aLtErNaTiNg cAsE — for fun and emphasis
- iNVERSE cASE — flips the case of every letter
Common Uses
Programmers use camelCase, snake_case and kebab-case constantly when naming variables, functions, files, and CSS classes. Writers use Title Case for headings and Sentence case for body text. Marketers convert headlines through different cases for testing.
Frequently Asked Questions
What's the difference between Title Case and Sentence case?
Title Case capitalizes the first letter of every word. Sentence case capitalizes only the first letter of each sentence and proper nouns. Sentence case is more readable in body text; Title Case is conventional for headlines.
When should I use snake_case vs kebab-case vs camelCase?
It's mostly convention. Python and Ruby prefer snake_case for variables. URLs and CSS classes use kebab-case. JavaScript and Java use camelCase for variables. CSS custom properties use kebab-case. Match your project's style guide.
Will the converter break special characters or accents?
No u2014 the converter preserves all Unicode characters and accents. Only the case of letters changes; numbers, punctuation, and symbols pass through unchanged.