Case converter.
Change text to uppercase, title case, camelCase and more.
No uploads. No saved documents.
Convert text case or format a code name
Fix an all-caps paragraph, capitalize a heading or turn a phrase into a name such as camelCase or snake_case. Paste your text and choose a style; the result updates without replacing your original.
- Eleven styles, from UPPERCASE to snake_case
- See the result alongside your original text
- Copy the result or download a TXT file
Common questions
How do camelCase and snake_case work?
Each line becomes one name: hello world becomes helloWorld or hello_world. Existing names such as XMLHttpRequest can become xml_http_request. Accents are kept; punctuation and emoji are removed or treated as word separators. Check the result before using it as a variable name, since naming rules differ between programming languages.
What do sentence case and title case change?
Sentence case lowercases the text and capitalizes the start of lines and sentences. Title Case capitalizes every word, including and and the. Neither recognizes proper names or preserves acronyms, so check names such as NASA afterward. Uppercase and lowercase keep spacing and punctuation; Toggle case reverses each letter’s case.
Is my text saved, and how much can I convert?
Nothing is uploaded or saved. Copy the result or download a TXT file before leaving or refreshing. You can enter up to 100,000 characters; some emoji count as more than one toward this limit. An oversized edit keeps your previous text.