Sentence Case Converter
Turn ALL CAPS or Title Case text into sentence case: lowercase every word, capitalise each sentence start and I, and keep acronyms like NASA intact.
Case and Formatting
5 tools
Which Case and Formatting tool do you need?
| Tool | What it answers |
|---|---|
| Case Converter | Paste your text, pick a style and the converted version appears straight away. |
| Lowercase Converter | Paste your text and every capital letter is replaced by its small form while digits, punctuation and line breaks stay exactly where they were. |
| Sentence Case Converter | Sentence case capitalises only the first word of each sentence, the pronoun I and proper nouns. |
| Title Case Converter | Paste a title and pick a style guide. |
| Uppercase Converter | Paste text and it is returned in capital letters while you type. |
All tools
Lowercase Converter
Convert text to lowercase with Unicode case rules, an option to keep acronyms like NASA, and Turkish dotless ı handling. Counts how many letters changed.
Uppercase Converter
Turn any text into capital letters with Unicode case rules, including ß to SS and an option for the Turkish dotted İ. Shows letters changed.
Case Converter
Change text to upper, lower, title or sentence case, or to camelCase, PascalCase, snake_case, kebab-case and CONSTANT_CASE, with a preview of all ten styles.
Title Case Converter
Convert headlines and book titles to title case under Chicago or AP/APA rules, keeping acronyms such as NASA intact and minor words like of and the lowercase.