Case Converter Online
Paste or type any text, then switch between common letter cases. Everything runs locally in your browser — nothing is uploaded.
0 words0 characters0 lines
All converters
Jump to a dedicated page for examples, tips, and FAQs for each format.
- UPPERCASEConvert any text to full capital letters online.
- lowercaseChange text to small letters without uploading files.
- Title CaseCapitalize words for titles and headings online.
- Sentence caseCapitalize the start of each sentence only.
- camelCaseJoin words into camelCase for JavaScript names.
- PascalCaseBuild PascalCase names for classes and types.
- snake_caseJoin words with underscores for Python names.
- kebab-caseMake hyphenated slugs for URLs and CSS.
- CONSTANT_CASECreate UPPER_SNAKE names for environment variables online.
- aLtErNaTiNg cAsEAlternate upper and lower letters through text.
- InVeRsE cAsESwap upper and lower letters in your text.