Case Converter
Change text between UPPERCASE, lowercase, Title Case, Sentence case and more.
100% private — everything runs in your browser and nothing is sent to a server.
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The Case Converter changes the capitalisation of your text — UPPERCASE, lowercase, Title Case, Sentence case, and developer styles like camelCase and snake_case. Paste your text, pick a case, and copy the result. It all runs in your browser.
Why use this tool
Many case styles
UPPER, lower, Title, Sentence, camelCase, snake_case and kebab-case.
Instant
The converted text updates as you pick a case.
Private
Runs in your browser — your text is never uploaded.
How to use it
Paste your text
Enter or paste the text you want to reformat.
Pick a case
Choose from UPPER, lower, Title, camelCase and more.
Copy the result
Grab the reformatted text with one click.
Frequently asked questions
What is Title Case?+
Title Case capitalises the first letter of each major word, like a headline: 'The Quick Brown Fox'. It's commonly used for titles and headings.
What's the difference between Sentence case and Title Case?+
Sentence case capitalises only the first letter of the sentence, like normal prose. Title Case capitalises each significant word.
Does it support camelCase and snake_case?+
Yes. It includes developer-friendly styles like camelCase, snake_case and kebab-case for variable and file names.
Is my text uploaded?+
No. Conversion happens entirely in your browser.