Alternating case converter

Convert any text to aLtErNaTiNg case, the playful style that alternates lowercase and uppercase letters.

Alternating Case

Paste text below and get aLtErNaTiNg output instantly.

Input text

Result

How alternating case works

Alternating case flips the case of every letter in turn, starting lowercase: hello world becomes hElLo WoRlD. Only letters count toward the alternation, so spaces and punctuation stay in place without breaking the pattern.

Starts with lowercase

This tool starts the pattern with a lowercase letter, the classic mocking-text look. If you want the pattern to start uppercase instead, use the Toggle Case converter.

Alternating Case FAQs

What is alternating case used for?

Memes, playful social captions, and the sarcastic mocking-text style. It is a stylistic effect, not a professional naming convention.

Does it alternate across spaces?

Spaces, punctuation, and numbers are copied unchanged and do not reset or advance the pattern, so the letter rhythm stays consistent through the whole text.

What is the difference between alternating and toggle case?

Alternating case starts lowercase (aLtErNaTiNg). Toggle case starts uppercase (AlTeRnAtInG). Both alternate every letter; only the starting case differs.

Will it work on long paragraphs?

Yes. There is no length limit; paste a whole paragraph and every letter alternates in one pass.

Is my text sent to a server?

No. The conversion runs entirely in your browser with JavaScript. Nothing you paste ever leaves your device.