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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
lowercase
Title Case
Sentence case
aLtErNaTiNg
InVeRsE

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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