Duplicate Link Checker
Quickly find and remove redundant URLs from your list to maintain a clean SEO profile.
How to Use Duplicate Link Checker
Got a long list of links with repeats? Paste it here and get a clean list of unique URLs in one click.
Paste URLs
Paste your links, one per line.
Clean List
Click to remove the duplicates.
Copy
Copy the unique list and see how many repeats were removed.
Removes
Exact duplicates
Shows
Before & after count
Speed
Instant
Privacy
Runs in your browser
Price
100% free
Sign-up
Not needed
What Can You Use It For?
Popular ways people use Duplicate Link Checker.
SEO Audits
Clean crawl and backlink exports.
Outreach Lists
Avoid emailing the same site twice.
Sitemaps
Check sitemap URL lists.
Bookmarks & Research
Tidy collected links.
Tips for the Best Result
- Links must match exactly — http vs https or a trailing / count as different.
- Get all URLs from a sitemap first with the Sitemap URL Extractor.
- Spaces at the start or end are removed automatically.
Frequently Asked Questions
Quick answers about Duplicate Link Checker.
It compares each line exactly and keeps the first copy.
No — they're different URLs. Clean them first if needed.
Thousands of links work fine in your browser.
No, it stays in your browser.
Yes.
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