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Duplicate content is one of the biggest hidden problems on any website. It confuses search engines, splits your rankings, and stops your best pages from performing the way they should. Our free Duplicate Content Checker helps you find these issues in minutes, without any technical knowledge or paid software.
Simply enter your page URLs or load them straight from your sitemap, and the tool does the rest. It scans every page, compares them against each other, and shows you a clear, easy-to-read report. You’ll instantly know which pages overlap, how similar they are, and what needs fixing to keep your website healthy and search-friendly.
This tool gives you a complete picture of your website’s content health, not just a simple duplicate score. It shows the exact similarity percentage between every pair of pages, so you know precisely how much content overlaps and where. You also get a word count and readability score for each page, helping you spot thin or hard-to-read content that could be holding your SEO back.
A summary dashboard puts everything in one place — total pages scanned, duplicate pairs found, average similarity, and pages with thin content. You can even adjust the sensitivity to match your needs and export the full report as a CSV file to keep or share with your team.
Using the tool is simple and takes just a few clicks. Add your website’s page URLs manually, or let the tool pull them automatically from your sitemap. Once your list is ready, click the scan button and the tool gets to work in the background.
It fetches the text from each page, breaks it into small chunks, and compares those chunks across every page on your list. Within seconds, you get a detailed report showing which pages are too similar, how many words each page contains, and how easy each page is to read. No downloads, no sign-ups, and no technical setup required.
Search engines struggle to rank pages that look too similar to each other. When this happens, your pages end up competing against your own website instead of your competitors, a problem known as keyword cannibalization. This often means none of the affected pages rank as well as they could, even if your content is genuinely valuable.
Duplicate content also spreads your website’s authority thin. Instead of one strong, well-ranked page, you end up with several weak ones sharing traffic, links, and search visibility. Fixing this early helps search engines understand your site better, improves your rankings, and ensures every page you publish works toward growing your traffic instead of holding it back.
Find answers to the most common questions about our Duplicate Content Checker.
A duplicate content checker scans the pages on your website and compares them to find text that is the same or very similar. You need one because duplicate content confuses search engines, makes it harder for your pages to rank well, and can quietly hurt your website's SEO performance without you even realizing it.
Yes, this tool is completely free. You can scan as many of your own website pages as you like, view your full report, and export the results as a CSV file, all at no cost and with no sign-up required.
The similarity percentage shows how much of the text between two pages matches. A higher percentage means the pages share more identical or near-identical content. You can adjust the sensitivity and threshold settings to decide how much overlap you're comfortable with before a page gets flagged.
If two pages are flagged as highly similar, it's best to either rewrite one of them to make it more unique, combine both pages into a single stronger page, or redirect the weaker page to the better-performing one. This helps search engines understand which page to rank and improves your overall SEO results.
