Broken Link Checker
Crawl a site, test every internal and external link, and report exactly which pages are broken and where they're linked from.
How to use
- 1Open the Broken Link Checker tool page.
- 2Enter or paste your input into the provided fields.
- 3Press Run — the server processes it and sends the result back.
- 4Copy or download the result using the buttons provided.
Privacy & limitations
- Your input or upload is sent to our server for this run only, processed in memory, and never stored.
- Works on modern desktop and mobile browsers.
- Very large inputs may take a moment; the interface will show progress.
Related tools
Sitemap Generator (Auto-Crawler)
Enter your domain — a real crawler follows internal links, discovers every page and generates a valid sitemap.xml with last-modified dates. No URL pasting.
Website URL List Extractor
Crawl a site and export every discovered URL as a plain text list — for audits, migrations and screening.
Sitemap Validator & URL Checker
Fetch your sitemap.xml and automatically check that every listed URL actually loads — catch 404s before search engines do.
Website SEO Auditor
Crawl up to 80 pages and grade title tags, meta descriptions, H1s, canonicals, thin content, mixed content and more — with a prioritized fix list.
Title & Meta Description Audit
Crawl the site and audit every page's title and description length, plus missing and duplicate pairs.
Missing Alt Text Finder
Find every image without alt text across a site — required for WCAG accessibility and image SEO.
Heading Structure Auditor
Map the H1/H2 outline of every crawled page and flag pages with missing or multiple H1s.
Thin Content Finder
Word-count every page, average it, and flag pages under 300 words.