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Free tools
Two small tools for when you need an answer now. No sign-up.
5 locations · 10 s
Down checker
Check a website from every location at once, and see where each request stopped.
Check a site →
99.9% = 43m 50s a month
Uptime calculator
Turn an uptime percentage into the downtime it allows each day, week, month and year.
Work it out →