大小写转换
文本大小写转换工具，支持全大写、全小写、首字母大写、驼峰命名、下划线命名等多种格式。
HELLO WORLD
hello world
Hello World
Hello world.
helloWorld
hello_world
hello-world
camelCase / snake_case / kebab-case 会自动拆分现有的驼峰、下划线、短横线命名。
相关关键词
How to Use Case Converter
When working with text, code, or data, you often need to convert between different capitalization styles. Developers need camelCase for JavaScript variables, snake_case for Python, and kebab-case for CSS. Writers need Title Case for headings and UPPERCASE for acronyms. Our Case Converter handles all of these transformations instantly. Just paste your text and click the desired conversion format. The tool processes the entire input in one click, no matter how long the text is.
- 1
Paste your text
Enter the text you want to convert in the input area.
- 2
Choose a format
Click one of the format buttons: UPPER CASE, lower case, Title Case, camelCase, snake_case, kebab-case, or others.
- 3
Copy the result
The converted text appears instantly. Copy it with one click.
Frequently Asked Questions
What is camelCase used for?
camelCase (e.g., myVariableName) is commonly used for JavaScript and TypeScript variable and function names.
What is snake_case used for?
snake_case (e.g., my_variable_name) is standard in Python, Ruby, and database column names.
Does it preserve numbers and special characters?
Yes. Numbers and most special characters are preserved as-is during conversion. Only the letter casing changes.