Find Broken URLs Before Your Users Do

Yes. HTTP Tiger is 100% free for bulk HTTP status checks — up to 100 URLs per check and 5,000 checks per month — with no signup and no credit card. Paid plans add scheduled uptime monitoring, SMS and Slack alerts, and longer history.

You can check up to 100 URLs simultaneously with the free tool. Paste them into the box one per line or upload a .txt or .csv file, then export the results as CSV.

HTTP Tiger checks up to 100 URLs at once and reports status codes like 404, 301, 500 and 503 alongside redirect chains, response times, and DNS propagation across 50+ global servers — all free with no signup. It is built for SEO migrations, link audits, and debugging.

Yes. You can run unlimited on-demand status and header checks for free, and add scheduled uptime monitoring with email, SMS, and Slack alerts on a paid plan. There is no credit card required to start.

You can run on-demand website and API status checks for free whenever you need them. Continuous scheduled monitoring — shorter check intervals, more monitors, SMS/Slack alerts, and longer history — is available as a paid upgrade.

After checking your URLs, click the 'Check DNS' button on any result to see DNS propagation across 50+ major providers including Google DNS, Cloudflare, OpenDNS, and Quad9. This confirms whether a domain change has rolled out worldwide.

Use the free HTTP Header Checker to view a site's response headers, security headers, server software, caching rules, and redirect behavior for any URL. It helps diagnose misconfigurations and missing security headers.

Use the Is It Down checker, which tests the site from external servers. If it reports UP but you cannot load the page, the problem is local — your DNS, ISP, VPN, or firewall; if it reports DOWN, the site is likely down for everyone.

A 404 error means 'Not Found' — the server cannot find the requested page, usually because it was deleted, moved, or the URL was mistyped. You can look up any status code in our HTTP status codes reference.

Yes. Checks run server-side over HTTPS, no account is required, and we do not sell your data. You can paste and test URLs without creating a login.

The free plan includes 100 URLs per check, 5,000 checks per month, and every tool with no signup. Paid plans add scheduled uptime monitoring, more monitors, shorter check intervals, SMS and Slack alerts, and longer history.