Write autosaved private notes stored only in this browser.
To-Do List
Keep a persistent browser-local task list with completion states.
client processing
How to use To-Do List
Enter or choose your values, run the tool, and copy or download the result where available. Reset starts a clean calculation.
Private browser processing
This utility runs in your browser. Toolbox does not send its inputs to the server. Saved state is used only where the tool clearly says so.
Related tools
Track repeat counts for habits locally without an account.
Measure typing speed and accuracy in a timed local test.
Run configurable focus and break sessions in your browser.