How does letter swap work?

Within each word, letters are swapped in pairs: 1st with 2nd, 3rd with 4th, etc. Odd-length words leave the last letter as is.

Yes. Only letters inside words are swapped; spaces and punctuation stay in place.

Yes. All processing in your browser.

Online Swap Letters in Words

Swap pairs of letters within each word (e.g. first with second, third with fourth). Client-side.

Input

How does letter swap work?: Within each word, letters are swapped in pairs: 1st with 2nd, 3rd with 4th, etc. Odd-length words leave the last letter as is.
Only in words?: Yes. Only letters inside words are swapped; spaces and punctuation stay in place.
Client-side?: Yes. All processing in your browser.

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