Duplicate Sentences in Text

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How to Duplicate Sentences in Text

This tool quickly duplicates every sentence in your text, making each sentence appear twice in a row. Useful for text expansion, testing, or playful edits.

Paste or type your full text into the input box.
Click “Duplicate Sentences” to instantly duplicate each sentence.
Copy the duplicated result with one click.

Example

Input:
Hello world. This is an example!
Output:
Hello world. Hello world. This is an example! This is an example!

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