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🔑 Key Features & Benefits
- Fast removal of duplicate lines from large text blocks.
- Options to trim whitespace and ignore empty lines for more accurate matching.
- Case-sensitive or insensitive comparison depending on your need.
- Sorting options: keep original order or sort alphabetically A-Z / Z-A.
- Copy result or download as text file.
- Secure and private — all processing happens locally in your browser.
📌 Use Cases
- Clean up duplicate entries in code snippets or JSON lists.
- Remove repeated lines from large lists or address books.
- De-duplicate data in emails, CSVs or logs.
- Edit lecture notes or study materials to remove repeats.
- Writers: clean drafts from duplicated lines or copied content.
✅ Why Choose This Tool?
- Completely free and no login needed.
- Instant deduplication — no delay.
- Transparent: you see how many duplicates are removed, stats displayed.
- Privacy-first processing in your browser.
❓ Frequently Asked Questions (FAQs)
Q. What counts as a duplicate line?
Lines that are identical based on the chosen options (case sensitive or not, trimming whitespace, ignoring empty lines).
Q. Can I restore the order of lines?
Yes — choose “Keep original order” before removing duplicates.
Q. Is the removal irreversible?
Once duplicates are removed, you can’t undo unless you pasted the original text again. Copy, export, or clear as needed.
Q. Is this tool safe for sensitive data?
Yes — all operations run on your device in the browser; nothing is sent to the server.
Q. Can I download the result?
Yes — use the download link to save the cleaned text as a .txt file.
