Broken Link Checker

Paste your page HTML or a list of URLs and instantly find empty links, malformed URLs, javascript links, duplicates and insecure http links that hurt SEO and user experience. Note: this checks link quality in your pasted code and does not visit the live pages.

About this tool

Paste your page HTML or a list of URLs to find empty, malformed, duplicate and insecure (http) links. Fixing these protects user experience and SEO. A browser tool cannot test live server responses, so use Google Search Console to find links that return 404.

How to use the Broken Link Checker

1. Paste your HTML or a list of URLs.
2. Click Check Links.
3. Fix every link marked as a problem.

Why use this tool?

It is 100% free, needs no signup, gives instant results and works on desktop, tablet and mobile. Your data is processed in your browser and is not stored on our servers.

Frequently asked questions

Does it check if a page returns 404?

No. A browser tool cannot visit other websites, so it checks link format and common mistakes only.

Why do broken links matter?

They hurt user experience and can waste crawl budget.

Does this tool check if a link returns 404?

No. Browsers cannot safely check other sites, so it finds problems in the link text itself. Use Search Console for live errors.

Why are http links a problem?

They are not secure and may trigger warnings. Switch them to https where possible.

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