Alternating Case Converter ↪ OMGConvert.com ↩
Convert your text to aLtErNaTiNg cAsE as you type. Copy or download as .txt.
Character Count: {{ charCount }} | Word Count: {{ wordCount }} | Line Count: {{ lineCount }}
All case tools
Run lowercase, UPPERCASE, Sentence case, Capitalize Case, and aLtErNaTiNg cAsE from one editor on the homepage.
lowercase
Convert the whole text to small letters. Handy for normalizing input or matching lowercase-only styles (this page).
UPPERCASE
Convert every letter to capital letters for emphasis, headings, or social posts.
Sentence case
Capitalize only the first letter of each sentence (and after .?!); the rest stays lowercase.
Capitalize Case
Capitalize the first letter of each word—including after spaces and common openers like quotes or brackets.
aLtErNaTiNg cAsE
Alternate uppercase and lowercase letter by letter for stylized or playful text.
About This Alternating Case Converter
Alternating case (sometimes called sponge text or meme case) switches capital and small letters along the string so lines read like aLtErNaTiNg cApS. People use it for jokes, ironic posts, thumbnails, and playful comments where standard case feels too plain.
The effect is generated instantly as you type or paste. Processing stays on your device in the browser—no uploads—so you can experiment with captions and chat messages with confidence.