Tools
Two things that are easier to work out on a screen than in your head. Both run entirely in your browser: nothing is sent anywhere, there is no sign-up, and you can erase everything in one click.
Checklist and Planner
Every practical task after a separation, grouped by stage and broken into steps, with room for the things only you would write down.
It counts paperwork rather than progress, and nothing is timed. Kept on your device, sent nowhere.
Open itOne-Income Check
What a month actually costs on one income, how much of it is fixed, and what each result usually means next.
It states a gap rather than a verdict, and the arithmetic happens in your browser.
Open it
If you share a device with the person you are separating from, treat anything saved in these the way you would treat anything else in a shared browser, and use the erase button when you finish.