Remove Duplicate Lines
Remove duplicate lines from any text instantly. Free online tool, client-side only, your data stays private.
About Remove Duplicate Lines
Remove duplicate lines from any text instantly. Free online tool, client-side only, your data stays private. All processing runs entirely in your browser — your text is never sent to any server.
Use Cases
- Clean up lists with repeated entries from spreadsheet exports.
- Deduplicate log files or error lists for easier analysis.
- Remove repeated keywords or tags from content drafts.
Frequently Asked Questions
Does this tool store my text?
No. All processing happens entirely in your browser. Your text is never transmitted to any server and we store nothing.
Is there a character limit?
The tool supports up to 100,000 characters, which is more than enough for the vast majority of documents and articles.