AI Text KitRemove Duplicate Lines
Keep one copy of each entry in a grocery list, spreadsheet column, or set of notes.
AI Text Kit never saves your text. Close the tab to clear your work.
Total lines
0
Unique lines
0
Removed duplicates
0
Output refreshes automatically when text or options change.
Trim mode compares trimmed lines, while output keeps the original line.
When keep first is disabled, the last unique occurrence is kept.
Extra space removal collapses multiple spaces inside each line.
Sorting A–Z happens after duplicates are removed.
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Move to the next cleanup step in seconds.
Use cases for this tool
Clean lists with a focused workflow.
Remove Duplicate Lines from Text
Remove duplicate lines from lists, logs, or exports while preserving order.
Unique List Generator
Generate a unique list by removing duplicates from pasted text.
Remove Empty Lines and Duplicates
Remove empty lines and duplicates in one pass.
Dedupe a CSV Column of Text
Remove duplicate values from a CSV column without changing the order.
Clean Copied Lists and Remove Duplicates
Clean pasted lists by removing duplicate lines and keeping order.
Sort Lines A-Z After Cleanup
Sort cleaned lines alphabetically for easier scanning.
Remove Duplicate Words
Remove duplicate words from keyword or tag lists.
Dedupe Email Subject Lines
Remove duplicate subject lines before scheduling campaigns.
Tips
FAQ
Does it keep the original order of lines?
Yes. When keep first is enabled, the original order is preserved.
Can I remove duplicates ignoring case?
Yes. Disable case sensitivity to compare lines without case differences.
What happens when trimming is enabled?
Lines are compared after trimming whitespace, while the original line is kept in the output.
Will this remove empty lines?
Yes. Enable the remove empty lines option to drop blank rows.