Duplicate Sentences
Free online sentence duplicator. Repeat each sentence in your text a specified number of times.
About This Free Online Duplicate Sentences
Duplicate every sentence in your text by a configurable number of times. Each sentence is detected by . ! and ? boundaries and repeated. Choose the separator between repetitions (space, newline, or none). Useful for emphasis in writing, creating repetition exercises, or generating filler content.
Features of Our Duplicate Sentences
- Duplicate each sentence a custom number of times
- Sentence detection at . ! ? boundaries
- Customizable repetition separator
- Real-time preview
- Sentence count display
How to Use the Duplicate Sentences
Using this tool is simple and requires no signup or registration. Follow these steps:
- Paste or type text containing sentences to duplicate.
- Set the number of repetitions per sentence.
- Choose the separator between repetitions.
- Copy the duplicated result.
Frequently Asked Questions About Duplicate Sentences
How are sentences detected?
Sentences are split at . ! and ? characters followed by a space or end of string. Common abbreviations are handled to minimize false splits.
Can I keep the original separator between sentences?
The original separator is preserved between original sentences. You can choose a different separator for the repeated copies.
Why Choose Text Toolbox?
Text Toolbox provides free, private, and instant online text tools. Unlike other text utility websites that require signup accounts or send your data to servers, all our tools process your text entirely in your browser. This means your content never leaves your device — we cannot see it, store it, or share it. Our tools are fast, lightweight, and work on any device with a modern web browser.