Case Converter — Change Text To Upper, Lower, Title & Sentence Case

Paste your text and convert it instantly between UPPERCASE, lowercase, Title Case, Sentence case and more.

UPPERCASE
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lowercase
—
Title Case
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Sentence case
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aLtErNaTiNg
—
InVeRsE
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Next step with AI

Text formatted. Take it further with AI:

What it does

Case Converter transforms any text between common letter-case styles in one click — UPPERCASE, lowercase, Title Case, Sentence case, aLtErNaTiNg cAsE and inverse case.

When to use it

Useful for fixing accidentally caps-locked text, formatting headlines, cleaning up CSV data or preparing copy for design mockups.

Benefits

  • One-click conversion between 6 case styles
  • Preserves punctuation and spacing
  • Copy result with a single click
  • 100% browser-based — your text stays private

Example

Input: "hello world from rapidtools" → Title Case: "Hello World From Rapidtools".

Frequently asked questions

What is Title Case?
Title Case capitalises the first letter of every word — commonly used for article and book titles.
What is Sentence case?
Sentence case capitalises only the first letter of each sentence and proper nouns are not auto-detected.
Can I convert long documents?
Yes — there is no length limit. Conversion happens locally in your browser.

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