Case Converter
Fix capitalization in one click — no retyping.
How it works
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Paste or type your text in the box.
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Click the case style you want — UPPERCASE, lowercase, Title Case, Sentence case, or aLtErNaTiNg.
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The text converts instantly in place.
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Click Copy to grab the result.
Frequently asked questions
What's the difference between Title Case and Sentence case?
Title Case capitalizes the first letter of every word — useful for headings. Sentence case capitalizes only the first letter of each sentence, like normal writing.
Is my text sent to a server?
No. The conversion runs entirely in your browser — your text never leaves your device.
Does it work with accented letters and other alphabets?
Yes. It uses your browser's locale-aware case rules, so accented Latin letters convert correctly. Scripts without letter case, like Arabic, pass through unchanged.
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