Alternating Case Converter
Alternate lowercase and UPPERCASE letters.
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The pattern starts with lowercase and advances on every letter, including letters without case. Spaces, digits and punctuation stay unchanged. Some letters expand (aß → aSS). Change the input or settings to update your result. Results update as you type. Up to 1,000,000 characters.
Your result
How to use Alternating case
- Enter your text in the input field.
- Results update as you type.
- Review the result, then use Copy result or a download link when available.
What to expect
Alternate lowercase and UPPERCASE letters. The pattern starts with lowercase and advances on every letter, including letters without case. Spaces, digits and punctuation stay unchanged. Some letters expand (aß → aSS).
Try a small example
Hello world