UptimeLogger
Know when your internet was down, and for how long.
What it does
Most monitors tell you the internet is down right now. UptimeLogger is built for the argument afterwards: it records every outage and exports a PDF report for the conversation with your ISP. Different: it runs on Windows and macOS (the tool that inspired it is macOS-only), and it uses TCP to several DNS resolvers by IP rather than ICMP pings - no admin rights, and a broken name lookup is not read as a dead line. No account, no telemetry, local database.
Free connection monitor for Windows and macOS. Records every internet outage and shows the history as a calendar heatmap. No account, no telemetry.
UptimeLogger watches your connection around the clock, records every interruption and shows you the history — so the next call with your provider is about facts, not impressions. A background process probes a configurable list of servers. Timeouts and refused connections end an online stretch, a successful connection ends an outage. A menu-bar icon on macOS, a notification-area icon on Windows: green online, red offline. No Dock icon, no window in your way. A year at a glance. The darker a day, the more interruptions it had. Click a day and the log and the figures jump to it. Outages, time offline, longest outage, availability and monitored time — for today, this week, this month or any day…from uptimelogger.bartels.ug
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