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Text Case and Duplicate Cleaner

Use Text Case and Duplicate Cleaner to enter plain text to transform or deduplicate by line and get case-converted, slugified, or deduplicated text immediately, with no installation or account required.

This tool processes the values you provide locally in your browser. It does not send those values to an external service.

Text case, slug, and duplicate-line cleaner

Duplicate-line options

How to use

Text Case and Duplicate Cleaner is a focused browser utility that accepts plain text to transform or deduplicate by line and produces case-converted, slugified, or deduplicated text. You can review each option and result without leaving the page. Practical example: turn a product name into a URL slug and remove repeated list entries.

  1. Choose plain text to transform or deduplicate by line settings in Text Case and Duplicate Cleaner.
  2. Change the value or mode and review case-converted, slugified, or deduplicated text.
  3. Use the Copy button to copy the result.

Output

  • Text Case and Duplicate Cleaner example: turn a product name into a URL slug and remove repeated list entries

Limitations

  • Text Case and Duplicate Cleaner limitation: the ASCII slug option can remove characters from non-Latin writing systems. Verify important output against the original source.

Privacy

This tool processes the values you provide locally in your browser. It does not send those values to an external service.

Frequently asked questions

What does Text Case and Duplicate Cleaner produce?

It uses your input and selected options to produce case-converted, slugified, or deduplicated text.

Can I rely on every Text Case and Duplicate Cleaner result?

the ASCII slug option can remove characters from non-Latin writing systems. Review the result before using it for important work.

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