Case Converter
Paste text and instantly see it in every common letter case, each with a one-click copy button.
How to use it
- Paste or type your text Use the box at the top.
- Pick the case you want Every case is shown at once below.
- Copy the result Press Copy next to the version you need.
Examples
| hello world → Title Case | Hello World |
|---|---|
| Hello World → snake_case | hello_world |
About this tool
A case converter rewrites your text in a different letter case without you having to retype it. It is handy for headings, code, spreadsheets and tidying up text that arrived in the wrong format.
This tool shows every common case at once — UPPERCASE, lowercase, Title Case, Sentence case, and the programming styles camelCase, PascalCase, snake_case, kebab-case and CONSTANT_CASE — each with a copy button. Everything runs in your browser.
Frequently asked questions
What is the difference between Title Case and Sentence case?
Title Case capitalizes the first letter of every word; Sentence case capitalizes only the first letter of each sentence.
What are camelCase and snake_case for?
They are naming styles used in programming. camelCase joins words with capitals (myVariable); snake_case joins them with underscores (my_variable).
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Updated June 12, 2026