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D DocNectar

Free Broken Link Checker

Check a batch of up to 20 URLs at once and see which ones are broken or unreachable.

100% Free No Signup Works on all devices

Built and fact-checked by the DocNectar team — see our editorial standards

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Key Features

Instant Calculation

Get accurate results in real time with our optimized algorithm.

Mobile Friendly

Fully responsive design. Works on all devices & screen sizes.

Privacy Focused

Your data stays on your device. We don't store any inputs.

100% Free

No hidden costs. This tool is completely free forever.

Broken links quietly hurt both user experience and SEO — visitors hit dead ends, and search engines treat pages full of broken outbound links as lower quality.

This tool checks a batch of up to 20 URLs at once (one per line) and reports each one's HTTP status, flagging anything that comes back broken or unreachable.

How it works

Paste a list of URLs, one per line. The tool safely checks each one's hostname before contacting it, requests each URL independently, and reports whether it responded successfully or came back broken — one failing URL never stops the rest of the batch from being checked.

  1. Enter uRLs to check (one per line).
  2. Click Calculate to see your results.

Examples

Checking a mixed list

Given two URLs where one returns HTTP 200 and the other returns HTTP 404, the tool reports "1 of 2 URL(s) are broken" and lists exactly which one.

Who should use it

  • Auditing a page's outbound links before publishing.
  • Spot-checking a list of resource or citation links for a content refresh.

Industry applications

  • SEO and content maintenance
  • Web development and QA

Advantages

  • Checks a whole batch of URLs at once instead of one at a time.
  • One broken or unreachable URL never prevents the rest of the batch from being checked.

Limitations

  • Capped at 20 URLs per check to keep the tool fast and responsive.

Common mistakes to avoid

  • Only checking a site's homepage and assuming deeper pages are fine — broken links often live several levels into a site.
  • Not re-checking links periodically — a link that worked when you added it can break later if the destination site changes.

Best practices

  • Periodically re-check important outbound links (like resource pages or citations), since destination sites can restructure or go offline without any change on your end.

Tips

  • If you find a broken link that used to work, check the Redirect Checker first — sometimes a "broken" link is really just an unexpected redirect chain rather than a genuinely dead page.

Frequently asked questions

Yes, with no signup and no limit on how many batches you run (up to 20 URLs per check).
Each URL requires a real outbound network request, so the cap keeps a single check fast and keeps the tool responsive as a synchronous, public endpoint. For larger sites, run multiple batches.
Any URL that returns an HTTP 4xx or 5xx status code, fails to resolve, or fails to connect at all is reported as broken. Redirects (3xx) are followed automatically and only reported as broken if they ultimately fail to reach a working page.

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