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DueMate runs a daily local check (at an hour you choose) and shows a browser notification before each item is due — using your default lead time or a per-item override — and again on the due day. The toolbar badge shows how many items are overdue or due today.

By default, only in your browser — you enter your items yourself and DueMate makes no network requests with Cloud Sync off. If you turn on Cloud Sync (new in 0.2), an anonymous copy of your bills, subscriptions and categories is stored on our server, keyed only by a random install id, so your other devices can pull it. You can delete that cloud copy anytime from Options.

Cloud Sync is an optional backup that keeps your bills in last-write-wins sync across your devices. It's off until you enable it. When on, it stores only what you typed plus an anonymous install id — no account, no email, no bank links — and you can wipe it anytime with "Delete my cloud data". With sync off, DueMate is 100% local.

No — never. There is no sign-in, no bank linking, and no email scanning. You add items manually, which is why your financial data stays private (and, with Cloud Sync, syncs only what you typed).

Mark a subscription as a free trial and set the date it converts. DueMate reminds you ahead of time so you can cancel before you're charged.

storage (save your items and settings), alarms (run the daily reminder check) and notifications (show the reminder). Cloud Sync — optional and off by default — adds one host permission so the extension can reach the Extension Factory sync API; with sync off, no network requests are made.

Yes. Export a JSON backup from Settings and import it on the other machine (or export a CSV) — and with Cloud Sync on, your devices stay in sync automatically.

Completely. Every reminder and calculation runs on-device; Cloud Sync just syncs in the background when it's on and you're online.