SEO Audit

Online Broken Link Checker

Online Broken Link Checker extracts and classifies every link in pasted HTML or a URL list in your browser, flagging malformed and empty hrefs.

Client-sideRuns entirely in your browser — your data never leaves your device.

Online Broken Link Checker is a free SEO Audit utility that runs entirely in your browser — nothing you enter is uploaded.

URL list (live-check limited)

How to use Online Broken Link Checker

  1. Paste the text you need to check into the input box.
  2. Use the Paste URLs (one per line) setting to control the result.
  3. The result is computed live in your browser as you edit the input.
  4. Finish by choosing Copy to take the output with you.

About this tool

Online Broken Link Checker is a static, client-side tool with no backend. Online Broken Link Checker is a free SEO Audit utility that runs in your browser, doing its work on the input you provide without a backend.

It is designed to do one job well and stay out of your way. It behaves the same on desktop and mobile, with nothing stored remotely.

Frequently asked questions

How do I use Online Broken Link Checker?

Online Broken Link Checker runs entirely on your device: add your input using the Paste URLs (one per line) control, and it checks it locally in real time.

Does Online Broken Link Checker cost anything?

No — Online Broken Link Checker is completely free, with no sign-up and no hidden limits.

Is my input private in Online Broken Link Checker?

Yes — your input never leaves your device; Online Broken Link Checker does all the work in your browser.

Does Online Broken Link Checker work on mobile?

Yes — Online Broken Link Checker is just a web page and runs on any modern browser, including phones and tablets.

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