# DeskUptime > DeskUptime checks whether your websites are up, when their SSL certificates expire and whether their content changed, from your own machine. Free CLI; desktop app for macOS and Windows. No monthly fee. Site: https://deskuptime.com/ (English) and https://deskuptime.com/da/ (Danish). Made by Mads Holst Jensen, https://mahoje.dk. Source: https://github.com/mahope/deskuptime. Contact: mads@mahoje.dk. ## Install - `npx github:mahope/deskuptime check https://example.com` - `brew install deskuptime` ## Pages - [DeskUptime — uptime, SSL and content checks from your own](https://deskuptime.com/): DeskUptime checks whether your websites are up, when their SSL certificates expire and whether their content changed — from the terminal or a small desktop app. - [DeskUptime — oppetid, SSL og indholdstjek fra din egen](https://deskuptime.com/da/): DeskUptime tjekker, om dine hjemmesider er oppe, hvornår SSL-certifikatet udløber, og om indholdet har ændret sig — fra terminalen eller en lille desktop-app. Full page list: https://deskuptime.com/llms-full.txt Sitemap: https://deskuptime.com/sitemap.xml