Đếm và Xóa Dòng Trùng lặp

1. Enter text with duplicate lines in the text area.

2. Click 'Count only' or 'Remove duplicates'.

3. Review the results.

・Count duplicate lines: Shows the number of duplicate lines in the text.

・Remove duplicate lines: Combines duplicate lines into one.

・Process empty lines: You can choose how to handle empty lines.

・Detailed statistics: Shows information such as number of lines and characters after processing.

・Duplicate check in email address lists

・Confirmation of duplicate lines in CSV data

・Text file organization

・Confirmation of duplicate records in database

・When processing large amounts of text, it is recommended to use 'Count only' first to check the duplicate situation.

・Using empty line processing options allows for more accurate duplicate checking.

・Results can be copied to clipboard, making it easy to use in other applications.