Extractors

Extract Duplicate Lines from Text

Paste text or upload TXT, PDF, DOC, or DOCX files to find repeated lines. Skip lines that start with a provided character or exclude specific line numbers.

Supported: .txt, .pdf, .doc, .docx. Legacy .doc files are read when their text is available to the browser.

Results Found 0
Input Characters 0
Active Filter All
Input Words 0 words

Extracted results

Results will appear here after you paste text or upload a file.

No results extracted yet.

    How to use this tool

    • Paste text into the editor or upload a supported file.
    • Optionally skip lines that start with a character such as #, -, or //.
    • Enter comma-separated line numbers to ignore selected lines.
    • Choose whether duplicate matching should ignore case or match case exactly.
    • Copy or download the duplicate lines as TXT, PDF, DOC, or DOCX.

    Uses of this extractor

    Use this duplicate line extractor to find repeated rows, names, SKUs, tasks, keywords, pasted records, and list entries before cleanup or spreadsheet import.

    Does this tool store my text or extracted results?

    No. Extraction runs in your browser. The page does not need to send your text to a server to detect results. Please check our privacy policy for more details.