Remove Duplicate Lines Online Free

Remove duplicate lines from text online for free.

filter_list Remove Duplicate Lines Online Free

verified_user Your files are processed only as needed and are not stored after the tool finishes.

Frequently Asked Questions

Does it preserve line order? expand_more

Yes. The first occurrence of each line is kept and subsequent duplicates are removed, preserving the original order.

Is comparison case-sensitive? expand_more

By default yes. Enable case-insensitive mode to treat lines differing only in capitalization as duplicates.

Count words, characters, sentences and paragraphs instantly.

Convert text between camelCase, snake_case, PascalCase, and more.

Compare two texts and highlight the differences between them.

Test regular expressions against text and see matches highlighted.