Four steps from picking a tool to using it. The whole thing takes about two minutes.
It is one file ending in .html. When you double-click it, your browser opens it like a web page, except the page is a working application. Everything you type is saved by the browser on your own machine, so it is there next time you open the file.
There is no server involved. That is why it works on a plane, in a basement, or anywhere with no signal, and why nobody else can see what you put in it.
Save a copy somewhere you back up — a cloud drive folder, an external disk, or both. Most dashboards include an export button so you can save your data separately as well, which is worth doing before you clear your browser data.
Your download link works for 5 minutes and up to 3 downloads, and the success page gives you a fresh link whenever you need one. If anything goes wrong, send us the email address you paid with and we will sort it out.