Case Converter
Paste your text and change its case with one click — plus developer cases like camelCase and snake_case, and handy text clean-up tools.
Clean up text
Your text is converted in your browser — it is never uploaded.
How to use the Case Converter
Paste your text
Any length — emails, titles, code.
Choose a case
UPPER, lower, Title, Sentence and 10 more.
Copy the result
Or download it as a .txt file.
Why use our Case Converter?
14 cases
Everyday and developer text cases.
Smart Title Case
Keeps small words like “and”, “of”, “the” lowercase.
Clean-up tools
Remove extra spaces, line breaks and duplicate lines.
Live counter
Characters, words, sentences and lines.
Undo
Go back to your original text anytime.
Private
Your text never leaves your browser.
Frequently asked questions
Everything you need to know about the Case Converter.
Back to the toolWhat is title case?
Title Case capitalizes the main words of a title (“The Best Way to Learn SEO”) while short words like a, and, of, to stay lowercase.
What is sentence case?
Only the first letter of each sentence is capitalized, like normal writing.
What are camelCase and snake_case?
Naming styles used in programming: camelCase joins words with capitals (myVariableName), snake_case uses underscores (my_variable_name).
Can I fix text typed with Caps Lock on?
Yes — use Sentence case or lowercase to fix it instantly.
Is there a limit?
No. Very long texts work fine because everything runs in your browser.
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