Our free Plagiarism Highlighter scans essays, articles, and student submissions to detect and visually highlight repeated phrases, copied sentence blocks, and duplicate n-grams. Adjust similarity thresholds and minimum word match lengths (3 to 10 words) to flag overlap. Runs 100% locally in browser memory so confidential manuscripts remain completely secure.
Paste your manuscript, essay, or article into the left text box.
Configure similarity threshold and minimum match word count in options.
Review highlighted duplicate passages and copy the formatted report.
Parses text sequences into overlapping word n-grams to uncover copied passages across paragraphs.
Adjust minimum match thresholds from 3 to 10 words to distinguish accidental phrasing from direct plagiarism.
All document comparison and highlighting is processed locally inside your browser memory with zero server uploads.
N-Gram Phrase Matching & Duplicate Highlight Mechanics: Plagiarism detection algorithms compare suspect text against source documents using N-Gram Sequence Matching. By breaking passages into consecutive word sequences (3-grams, 4-grams, or 5-grams), BunchTool highlights exact verbatim matches and near-duplicate phrases, allowing authors to attribute quotes or rewrite overlapping content.
Academic Integrity & Proper Citation Standards: Academic institutions and journals enforce strict original writing requirements. Highlighting overlapping passages ensures that direct quotations are enclosed in quotation marks and accompanied by proper parenthetical citations (APA, MLA, Chicago, IEEE), preventing accidental plagiarism penalties.
100% In-Memory Comparison Privacy: Unpublished research manuscripts, thesis drafts, and student papers contain sensitive work. BunchTool performs text comparison 100% locally in web browser RAM. Your manuscripts are never saved, indexed, or uploaded to external plagiarism databases.