Free Tools
Website Uptime & Status Tools
Free, no-login tools for checking website availability, calculating SLA downtime budgets, and testing multiple URLs at once.
Free
Bulk URL Checker
Paste up to 20 domains and check them all at once. Get instant up/down status for every URL without refreshing.
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Free
Uptime SLA Calculator
Convert uptime percentages to real downtime. See exactly how much downtime 99.9%, 99.99%, or any SLA actually allows per month.
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Check any website instantly
Use the main checker on the homepage to test any URL in real-time from multiple global locations.
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