How it works

Data is stored in this browser's local storage only — it isn't synced across devices and isn't sent to any server.
Set a monthly budget to see a progress bar showing how much you've spent against it — it turns red once you go over.
Export CSV downloads all your expenses as a spreadsheet-compatible file — a good idea as a periodic backup, since clearing browser data will erase everything here.
Filters and search apply to the list view and the summary stats update to match, so you can analyze a single category or time period.