Utility
Case Converter
Convert text to UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more in one click.
About this tool
A case converter instantly rewrites your text in a different letter case - no retyping, no holding Shift. Paste a sentence and switch between UPPERCASE, lowercase, Title Case, Sentence case, and developer formats like camelCase, snake_case, and kebab-case with one click.
When you'd use each case
- Title Case - headlines, article titles, and headings.
- Sentence case - fixing text that was typed in all caps by mistake.
- UPPERCASE / lowercase - emphasis, or normalising data before comparison.
- camelCase / snake_case / kebab-case - variable names, database columns, file names, and URL slugs.
How it works
Type or paste your text, choose a case, and copy the result. Title Case capitalises the first letter of every word; Sentence case capitalises only the first letter after each full stop, question mark, or exclamation mark. The programmer cases strip punctuation and join the words with the right separator, so "User First Name" becomes userFirstName, user_first_name, or user-first-name.
All conversion runs in your browser - nothing is uploaded. Want to check the length of your text afterwards? Use the Word & Character Counter.
Frequently asked questions
What is the difference between Title Case and Sentence case?
Title Case capitalises the first letter of every word ("The Quick Brown Fox"). Sentence case capitalises only the first word of each sentence ("The quick brown fox").
What is camelCase, snake_case, and kebab-case?
They are naming styles used in code. camelCase joins words with capitals after the first (userName), snake_case uses underscores (user_name), and kebab-case uses hyphens (user-name) - handy for variables, database fields, and URL slugs.
Can I convert text that is in ALL CAPS back to normal?
Yes. Paste the all-caps text and choose Sentence case or Title Case to restore normal capitalisation.
Does it keep my punctuation?
The upper, lower, Title, and Sentence cases keep punctuation. The programmer cases (camel, snake, kebab) strip punctuation because those formats only allow letters, numbers, and a single separator.
Is my text uploaded anywhere?
No. The conversion happens entirely in your browser and your text is never sent to a server.
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