Free Duplicate Content Checker

Compare two URLs or texts for duplicate content. Measure similarity, find matching sections, and understand canonical and SEO risks. Free tool.

Compare two pages or drafts

Find meaningful overlap, not just shared SEO vocabulary.

Text A

Text B

How to read the result

Similarity uses shared three-word sequences where available, so long matching passages matter more than common words.

Overlap shows the share of the shorter page’s meaningful vocabulary found in both sources.

SEO risk depends on intent and unique value—not a percentage alone.

Compare two text drafts or two live URLs.
The tool measures shared three-word sequences and meaningful vocabulary, highlights matching sections, checks canonical tags for URLs, and explains whether the overlap is likely to be an SEO problem.

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