The Text Case Converter changes the capitalisation of your text in one click. Paste any text and switch it between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, and aLtErNaTiNg cAsE — no need to retype a single word.
It is the fastest way to fix text that came in the wrong case: a heading typed with caps lock on, a title that needs each word capitalised, or a label you want turned into a code-friendly identifier. Everything happens instantly in your browser, so even large blocks of text convert without waiting and your content never leaves your device.
How to convert text case
- Paste or type your text into the box.
- Choose the case you want — UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, or alternating.
- The text updates instantly; review the result.
- Copy the converted text to use anywhere.
The case options explained
UPPERCASE makes every letter a capital, useful for headings, acronyms, and emphasis. lowercase does the opposite, turning everything small — handy for tidying up shouty text or normalising data. Title Case capitalises the first letter of each major word, the convention for headlines and titles. Sentence case capitalises only the first letter of each sentence, matching normal prose. camelCase and PascalCase remove the spaces and join the words for programming identifiers (myVariableName versus MyClassName), and aLtErNaTiNg cAsE flips between upper and lower for a playful, mocking style.
When to use each case
Reach for Title Case when writing headings, article titles, or button labels; Sentence case for body copy, descriptions, and UI microcopy; and UPPERCASE sparingly for short labels or acronyms, since long all-caps text is harder to read. camelCase and PascalCase are for code — variable and function names in JavaScript often use camelCase, while class and component names use PascalCase. Converting here saves you from renaming things by hand when you copy text between a document and your editor.
Cleaning up messy or pasted text
A common use is rescuing text that was typed with caps lock on or pasted from a source with inconsistent capitalisation. Switch it to lowercase first to reset everything, then apply Sentence case or Title Case to get clean, consistent output. Because the converter works on the whole block at once, you can fix a paragraph or an entire document in a couple of clicks instead of editing word by word.
Frequently Asked Questions
How do I change text to uppercase or lowercase?
Paste the text and select UPPERCASE or lowercase; the tool reformats every character instantly.
What is Title Case?
Title Case capitalises the first letter of each major word, which is common for headings and titles.
What is Sentence case?
Sentence case capitalises only the first letter of each sentence, like normal prose.
Can I convert text to camelCase or PascalCase?
Yes. Choose camelCase for identifiers like myVariableName or PascalCase for names like MyClassName — the tool removes the spaces and capitalises the words for you.
Will converting case fix text typed with caps lock on?
Yes. Switch it to lowercase to reset everything, then apply Sentence case or Title Case for clean, correctly capitalised text.
Is the case converter free and private?
Yes, it’s free and runs in your browser, so your text stays on your device.