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Duplicate Paragraph Remover

Keep the first occurrence of each trimmed blank-line-separated paragraph.

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A useful toolkit for text, data, images and calculations.

  1. 01

    Add your input

    Choose a tool, enter values or select a file.

  2. 02

    Make it yours

    Adjust the options and run the action.

  3. 03

    Take the result

    Copy the result or download its file.

Keep the first occurrence of each trimmed blank-line-separated paragraph online

Keep the first occurrence of each trimmed blank-line-separated paragraph. Use this for the specific transformation described above. Start with the fixed sample and compare its result before replacing it with your own representative input.

How to use it

Paste the multi-line input in the format shown below. Choose Run tool. Review the output, then copy or download it.

Worked examples

Use this for the specific transformation described above. Start with the fixed sample and compare its result before replacing it with your own representative input.

Reproducible worked example

Settings: No additional settings.

Input:

First paragraph.

Second paragraph.

First paragraph.

With the input and settings above, the tool produces:

Output:

First paragraph.

Second paragraph.

The example output has 3 lines. Compare its order, separators and whitespace with the input before copying the result.

Choose the right tool

This tool compares blank-line-separated paragraphs as units. It does not remove matching individual lines inside different paragraphs.

Limitations and common mistakes

  • Results reflect your supplied input and selected settings. Check the worked example and output before reuse.
  • Combined input is bounded to 150,000 characters; output text is bounded to 1.2 million characters. Some algorithms impose smaller limits, stated in their error messages.

Frequently asked questions

What format should I enter?

Paste the multi-line input in the format shown below. The worked example shows the supported structure and actual output.

How can I retain the first occurrence of each trimmed blank-line-separated paragraph online?

Paste the multi-line input in the format shown below. Choose Run tool. Review the output, then copy or download it.

Where is my input processed?

The bundled tool processes input in your browser. It does not upload tool input to a conversion service. Other site plugins, analytics, advertising and browser extensions may have separate behavior.

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