Convert text between different letter cases instantly. UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, and more — all in one tool.
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How to Use the Case Converter
- Type or paste your text in the input box
- Click any case style button to convert your text instantly
- Copy the result, or download it as a .txt file
Case Styles Explained
- UPPERCASE — All letters capitalized. Used for headings, emphasis, or acronyms.
- lowercase — All letters small. Common in URLs, hashtags, and casual text.
- Title Case — First letter of every word capitalized. Used for book titles and headlines.
- Sentence case — Only the first letter of each sentence capitalized. Standard for body text.
- camelCase — No spaces, first word lowercase, others capitalized. Used in JavaScript variables.
- PascalCase — No spaces, every word capitalized. Used for class names in C#, Python, TypeScript.
- snake_case — Words joined by underscores, all lowercase. Common in Python and database columns.
- kebab-case — Words joined by hyphens, all lowercase. Used in URLs and CSS class names.
- aLtErNaTiNg — Each letter alternates lowercase and uppercase. Used for casual or ironic styles.
- iNVERSE cASE — Swaps every letter's existing case.
Who Uses a Case Converter?
- Developers — Convert variable names between coding conventions
- Writers and editors — Fix capitalization in articles and manuscripts
- Students — Format academic papers and citations correctly
- Marketers — Style headlines for different platforms
- Social media users — Style text creatively for posts and bios
- Data analysts — Standardize text in spreadsheets and databases
Why Choose Our Case Converter?
- 10 case styles — Covers every common and technical format
- Instant conversion — One-click transformation
- Privacy first — Text never leaves your browser
- Free forever — No subscription, no limits, no signup
- Download option — Save converted text as a .txt file
Frequently Asked Questions
What's the difference between Title Case and Sentence case?
Title Case capitalizes every word ("The Quick Brown Fox"). Sentence case capitalizes only the first letter of each sentence ("The quick brown fox.").
What is camelCase vs PascalCase?
Both join words without spaces, but camelCase starts lowercase (myVariableName) while PascalCase starts uppercase (MyClassName).
Can I convert special characters or numbers?
Yes. Numbers and special characters are preserved. Only letters change based on the chosen case style.
Is there a character limit?
No. Convert text of any length, from a single word to entire documents.
Will my text be saved?
No. All conversions happen in your browser. We never store, transmit, or log your text.