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Case Converter

Paste text and click a button to change its case. Fix caps-lock accidents, format headings or create code variable names.

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How to use the Case Converter

  1. Paste or type your text.
  2. Click the case you want. The text changes in place.
  3. Copy it or download it as a text file.

Formula used

Title Case keeps small words such as a, an, the, and, of, in and to in lowercase unless they start the title, following common headline style.

Worked examples

CaseExample
Title CaseThe Quick Brown Fox Jumps over the Lazy Dog
Sentence caseThe quick brown fox jumps over the lazy dog.
camelCasetheQuickBrownFox
snake_casethe_quick_brown_fox
kebab-casethe-quick-brown-fox

Frequently asked questions

How do I change caps lock text to normal?

Paste it and click "Sentence case". It lowercases everything and capitalises the start of each sentence.

What is the difference between Title Case and Sentence case?

Title Case capitalises most words, like a book title. Sentence case capitalises only the first word and proper nouns.

Which case should I use for URLs?

Use lowercase kebab-case, for example /salary-tax-calculator. The Slug Generator tool does this automatically.

Does it keep names capitalised in Sentence case?

No tool can detect every name, so check proper nouns such as London or Priya after converting.

Does it work with other languages?

Yes for languages with capital letters, such as Spanish, French or German. Hindi and Arabic have no capitals, so they stay the same.

Written and tested by MasterKit Online Editorial Team

Our team builds and tests every tool by hand, checks each formula against official sources (IRS, HMRC, the Income Tax Department of India, CBSE, NHS, WHO) and reviews pages whenever rules change. Last reviewed on . Spotted a mistake? Tell us.