Remove Duplicate Lines & Text | Free Deduplication Utility

Erase duplicate lines, emails, strings, and CSV rows instantly. 100% private and secure text deduplication tool. No data is saved or uploaded.

DocFlow provides a 100% private, client-side tool for this task. Your files and data are processed entirely in your web browser and are never uploaded to any external server.

How it works

• Select or drag-and-drop your file into the tool.
• All processing happens locally on your device.
• Download your converted or processed file instantly.

Privacy Guarantee: No data collection, no server processing, no third-party APIs.