Dead Link Checker - Free Online Tool | PivaBox

Check multiple URLs for broken links — detect 404s, server errors, and redirects in bulk

How to Check for Dead Links

1. Paste a list of URLs or paste text containing links — the tool auto-extracts all URLs
2. Click Check All to verify each URL — results show HTTP status codes with color coding
3. Review broken links (4xx, 5xx) and export results as CSV for your records

Frequently Asked Questions

Is Dead Link Checker free?

Yes, completely free. All checks run from your browser using the Fetch API.

Why do some URLs show CORS Blocked?

Browsers enforce CORS (Cross-Origin Resource Sharing) for security. Some websites block cross-origin requests, preventing status code detection. These URLs may still be accessible in a browser.

How many URLs can I check at once?

The tool processes URLs in batches of 5 concurrent requests. You can check hundreds of URLs — just be mindful that very large lists may take time.