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Birthday & Anniversary Reminder – Never Miss a Date

Lifestyle Organization birthday calendar reminder
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Birthday & Anniversary Reminder

Never miss a special date again – simple, private, always in your browser.

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Total Events
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Upcoming (30 days)
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Due Reminders
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Next Event In
Add New Event
Please enter a name.
Please select a date.
You'll see a reminder when the date is this close.
Your Events

No events yet. Add your first special date!

Frequently Asked Questions

Simply add any important date — birthday, anniversary, or custom event — along with a name and optional reminder days. The tool calculates days left until the next occurrence and highlights upcoming events. Your data is saved privately in your browser’s local storage; nothing is sent to any server.

Absolutely safe. All event data is stored locally in your browser using localStorage. We do not have any backend or database, and your information never leaves your device. You can export and back up your data anytime.

Yes! When adding or editing an event, you can choose how many days before the date you want to be reminded. Events whose countdown reaches the reminder threshold are highlighted automatically.

Click the “Export” button to download a JSON file with all your events. You can later import this file on any device or browser using the “Import” button to restore your list.

Direct sync isn’t built-in, but you can manually add the dates to Google Calendar. Our tool is perfect for a quick, private overview inside your browser. For external sync, you can export the JSON and use conversion tools or scripts.

Yes. Birthdays and anniversaries naturally repeat every year. The countdown always looks at the next upcoming occurrence, so once a date passes, it rolls over to the next year automatically.

Each event in the list has an edit (pencil) icon and a delete (trash) icon. Click edit to open a modal where you can modify any detail. Delete removes the event after confirmation.

All modern browsers (Chrome, Firefox, Safari, Edge) fully support this reminder app. It relies on standard HTML5 and JavaScript features, including localStorage.

Make sure you've set a reminder days value greater than 0. The tool highlights events when the days left ≤ the reminder threshold. It does not send desktop notifications unless you click “Test Notification” (which uses browser Notification API). You can always see due reminders in the stats panel.

Currently the import supports only JSON files exported from this tool. If you have birthdays in a spreadsheet, you can convert them to JSON with the right structure, or manually add them here. We may add CSV import in future updates.
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