Each one answers one question about how a Mac sleeps, wakes and stays awake. They run in your browser with no sign-up: nothing you paste or choose is sent anywhere or stored.
Pick what to keep awake and for how long, and get the exact caffeinate command with each flag explained and what it cannot do. Nothing leaves your browser.
Paste pmset -g log and see every sleep and wake with its reason in plain English: dark wakes, Power Nap, the lid. Nothing leaves your browser.
Paste pmset -g log and see how much charge your MacBook lost per hour asleep and which dark wakes took the time. Nothing leaves your browser.
Estimate how many hours a MacBook runs on battery with the lid closed, from the drain you measure down to the floor you pick. Nothing leaves your browser.
Paste pmset -g and see what each Mac sleep setting means, which one keeps a closed MacBook awake and what to fix. Nothing leaves your browser.
To link all of them from a page, a post or an answer, use this address and, if you need one, this description. Each tool's page ends with its own.
https://keepmacawake.com/tools/