Plagiarism Checker
What This Tool Helps You Do
Reduce originality risk by finding likely overlap and rewriting sections before publication.
How The Semrush Version Works
Semrush's plagiarism checker compares text for similarity and flags passages that may need revision.
How This Version Works Without Third-Party APIs
This version focuses on internal duplicate-risk checks and rewrite workflows. It does not rely on paid external plagiarism databases; instead, it helps teams identify and improve high-risk passages using internal content operations.
Best For
- Editorial teams with originality standards
- Agencies repurposing similar client content
- Teams publishing at scale across many pages
How To Use It
- Open Open AI Content Optimizer.
- Paste content you want to validate.
- Mark repetitive or high-risk sections.
- Rewrite flagged parts and run a final review.
What To Track After Running This Tool
- Number of flagged passages per draft
- Rewrite completion rate
- Originality confidence before publishing
Related Pages
Next Step
Build an editorial gate: no article publishes until flagged overlap sections are rewritten and approved.