Repetition & self-plagiarism checker.

What it does. Checks a text for repeated or near-identical sentences within itself - internal duplication, the accidental kind.

How to use it. Paste the draft, run the check and read each repeated pair. Boilerplate you meant to repeat can stay; the accidental near-echoes two paragraphs apart are what an editor would find first.

Why it matters. Nobody rereads 3,000 words hunting their own repeats. The tool does, exhaustively, in seconds - before a reader does it for you in a review.

Your data. The tool runs entirely in your browser - text you paste never leaves the page, and nothing is uploaded to a server.

Good to know

Run it on the full draft, not sections - the echoes it exists to catch are the ones separated by enough text that you forgot writing the first one.

Where this fits

Quality tools are the last pass, not the first: they catch what familiarity has made you blind to once the real work is done. Used at the end they are a safety net; used at the start they become a way to avoid writing. Finish the draft first, then let the checks be ruthless on your behalf. The order matters less than the habit: same pass, same checks, every time, so nothing depends on how tired you are.

Category neighbours: AI-likeness checker and Tone checker

Maintained by the BRYME writing desk.