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Sync settings

Choose what your account keeps in step on every device where you are signed in.

  • My tools

    Always synced: the tools on your board, their order and size.

  • The windows open on your start page, including what you typed in them.

  • Every note in the notepad – on the notepad page, on your board and in windows.

  • Every list of website shortcuts – on the shortcuts page, on your board and in windows.

  • Every grid in the cover grid maker – on its page, on your board and in windows.

  • Every list of bookmarked organisations in the OIN lookup – on its page, on your board and in windows.

  • Keeps your pipeline and saved recipes on all your devices. Your files are never synced – only the steps and settings.

Turning something off removes it from your account straight away. Your devices keep their own copy.

Notifications

Tools that can tell you about something new while a Synsi tab is open, even when you are in another tab or app. Choose them for this browser.

This browser cannot show notifications from websites.
Notifications are blocked for this site. Allow them in your browser’s site settings (the icon left of the address), then switch them on here.

  • Says “New message” while a Synsi tab is open – never who wrote it or what.

Your choice is stored in this browser only. Notifications never show personal content such as a message or a number. They work while a Synsi tab is open; closed tabs get none.

Browse all tools →

Countdown Calculator

Count the days, full weeks and remaining days from a start date to a target date.

My tools →

Days between dates

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Full weeks

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Remaining days

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Date and time results follow the Gregorian calendar and standard time-zone data. Working-day counts exclude weekends but do not automatically remove public holidays. Check local rules and daylight-saving transitions when timing is critical.

Runs in your browser – your data never leaves your device Also available via our free API

How to use the Countdown Calculator

  1. 1 Enter the date, time or values you want to calculate.
  2. 2 Review the result and the assumptions shown with the calculator.

How this calculator works

The target date’s calendar day is subtracted from the start date. The result is positive for a future date and negative for a date that has passed.

Assumptions and limitations

The default start date is today. The result counts date boundaries and does not include the current day as a full day.

Frequently asked questions

How is the result calculated?

The target date’s calendar day is subtracted from the start date. The result is positive for a future date and negative for a date that has passed.

What should I keep in mind?

The default start date is today. The result counts date boundaries and does not include the current day as a full day.

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