Broken Link Checker — Free Online Tool

load HTML via a public proxy, extract links, and HTTP-check the first N unique URLs from our server. SPAs may hide links in JavaScript.

Broken Link Checker — Free Online Tool: Free Broken Link Checker — On-Page Anchor URLs checks your input against format or protocol rules. load HTML via a public proxy, extract links, and HTTP-check the first N unique URLs from our server. SEO specialists and webmasters use it when they want a free, no-signup workflow. How to use: Paste the value, file, or URL to validate. Run the check and read pass/fail details. Correct issues in your source system before going live. Frequently asked questions: Why does my SPA show few links? We only see URLs in the raw HTML. Client-rendered routes and lazy content need a crawl that executes JavaScript—or check your sitemap. What does Free Broken Link Checker — On-Page Anchor URLs check? The tool applies the rules described on this page (format syntax, checksum, or protocol). It is a helper—not a substitute for compliance review. Can validation guarantee acceptance by banks or APIs? No. Passing here means the input matched the rules we implement; issuers may apply additional business rules.

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Frequently asked questions

Why does my SPA show few links?
We only see URLs in the raw HTML. Client-rendered routes and lazy content need a crawl that executes JavaScript—or check your sitemap.
What does Free Broken Link Checker — On-Page Anchor URLs check?
The tool applies the rules described on this page (format syntax, checksum, or protocol). It is a helper—not a substitute for compliance review.
Can validation guarantee acceptance by banks or APIs?
No. Passing here means the input matched the rules we implement; issuers may apply additional business rules.