Text Case Converter
Convert text between 10 case styles. Pick a style, get the result, copy it. Nothing uploaded.
Change text between UPPERCASE, lowercase, Title Case, camelCase and snake_case — and more — with one click. Handy for renaming variables, writing headlines and fixing pasted text.
Conventions: standard programming case styles (camelCase, snake_case, Title Case).
How to use the Text Case Converter
- Paste or type your text.
- Pick the target case: UPPER, lower, Title, camel, snake and more.
- Copy the converted text.
Frequently asked questions
How do I convert text to uppercase?
Paste it and click UPPERCASE — every letter is capitalized instantly.
What is camelCase?
A naming style used in programming where each word starts uppercase except the first (myVariableName).
What is snake_case?
Words joined by underscores (my_variable_name), common in Python and databases.
Does Title Case handle small words?
The converter gives simple title casing; style-guide subtleties like lowercase 'the' are left to you.
Fun facts about Text Case Converter
- camelCase gets its name from the humps of a camel — the capital letters look like humps in the middle of a word.
- snake_case is the standard naming convention in Python (PEP 8), while camelCase is preferred in JavaScript and Java.
- Title case rules vary by style guide — APA capitalizes words with 4+ letters, while Chicago Manual of Style capitalizes all major words.
- The shift key on a keyboard was originally called the 'shift' because it physically shifted the entire typebar mechanism to access uppercase letters.
- Only a few writing systems have upper and lower case, among them Latin, Greek, Cyrillic and Armenian; Chinese, Japanese, Arabic and Devanagari have none.