BurnerTools
🧹
Duplicate Line Remover
Strip duplicate lines while preserving order.
Strip duplicate lines from any list — emails, keywords, log lines, customer IDs. Preserve original order, ignore case, or sort alphabetically.
- Category
- Text & Docs
- Privacy
- Runs in your browser
- Uploads
- No server upload
- Access
- Free, no signup
100% Private. Processed locally on your device. Your data never touches a server.
0 duplicates removed
How to use
- 1Paste a list (one item per line).
- 2Pick whether to preserve order or sort the result.
- 3Copy the deduped output.
Popular use cases
- →Clean a list of email addresses before importing into a CRM.
- →Dedupe SEO keywords pulled from multiple sources.
- →Find unique error messages in a log file.
Frequently asked questions
Is matching case-sensitive?+
By default yes. Toggle 'ignore case' to treat `Foo` and `foo` as duplicates.