Case Converter — Change Text Case Online
Convert text between different case formats: UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case, and more. Free copy and paste tool.
Change Letter Cases Instantly
The Case Converter is a premium utility to transform text between standard typography rules, programming casing formats, and expressive creative text styles. Whether you are formatting document headers, converting strings for source code, or crafting stylish titles for social media bios, this real-time tool makes case formatting seamless.
Basic Typography Cases
Standard text formatting options ideal for essays, articles, and general writing:
| Format | Rule / Behavior | Example Preview |
|---|---|---|
| UPPERCASE | Converts all letters in the text to capital letters. | HELLO WORLD |
| lowercase | Converts all letters in the text to small lowercase letters. | hello world |
| Title Case | Capitalizes the first letter of each word (excluding small prepositions/conjunctions). | Hello World |
| Sentence Case | Capitalizes the first letter of each sentence and lowers everything else. | Hello world. |
Developer Casing
Convert space-separated strings into naming conventions compatible with standard programming environments and APIs:
| Convention | Separator / Rule | Example Preview |
|---|---|---|
| camelCase | First word is lowercase, subsequent words capitalized, spaces removed. | helloWorld |
| PascalCase | Every word capitalized, spaces removed (standard for class names). | HelloWorld |
| snake_case | All lowercase words separated by underscores (variables, database columns). | hello_world |
| SCREAMING_SNAKE | All uppercase words separated by underscores (constant definitions). | HELLO_WORLD |
| kebab-case | All lowercase words separated by hyphens (URL slugs, CSS classes). | hello-world |
| COBOL-CASE | All uppercase words separated by hyphens. | HELLO-WORLD |
| dot.case | All lowercase words separated by periods (properties, packages). | hello.world |
| path/case | All lowercase words separated by slashes (directory routing paths). | hello/world |
Creative & Styling Casing
Decorative styles designed to add dramatic visual variety to headings, gaming handles, and social captions:
| Casing Style | Aesthetic Effect | Example Preview |
|---|---|---|
| aLtErNaTiNg | Strict, alternating lowercase and uppercase letters. | hElLo wOrLd |
| Inverse Case | Inverts the case of each character from the input text. | hELLO wORLD |
| SpongeBob Case | Randomly alternated letters creating a mock or sarcastic tone. | HeLlO WoRlD |
| Wide Text | Adds full-width spacing between all characters. | H e l l o W o r l d |
| Small Caps | Translates standard alphabets into mini-caps Unicode. | ʜᴇʟʟᴏ ᴡᴏʀʟᴅ |
| Reverse Text | Flips the direction of characters back-to-front. | dlroW olleH |
FAQs
What is Case Converter?
Case Converter transforms text between different letter case formats. It supports basic cases (uppercase, lowercase, title case), programming cases (camelCase, snake_case, kebab-case), and creative styles (alternating case, wide text, small caps).
What case formats are available?
Basic: UPPERCASE, lowercase, Title Case, Sentence case. Programming: camelCase, PascalCase, snake_case, SCREAMING_SNAKE, kebab-case, COBOL-CASE, dot.case, path/case. Creative: aLtErNaTiNg, iNVERSE cASE, SpOnGeBoB cAsE, wide text, small caps, reverse.
How does it work?
Type or paste text in the input area. All case conversions appear instantly. Click any result to copy it to clipboard.
Can I copy all cases at once?
Yes, click 'Copy All' to copy all case conversions in a formatted list.