Find duplicated sentences in your text, or compare two documents for overlapping content — free forever.
⚠️ Honest scope: this checks the texts you provide — it does not scan the web (web-wide scanning needs paid APIs). Perfect for self-checks and comparing submissions.
Catch accidentally repeated sentences before you submit your assignment.
Check two students' work against each other for copied passages.
Compare your paraphrased version against the original to confirm it's truly rewritten.
No — web-wide plagiarism scanning requires paid search APIs. This tool honestly checks the texts you provide, which covers self-plagiarism and document-to-document comparison.
No. All checking happens in your browser — your text never leaves your device.
Identical sentences, or sentences sharing over ~80% of their words — the threshold academic checkers use for flagging.
Then humanize it, paraphrase it and check the grammar — all free.