Skip to content
This page is also available in your language. Switch

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 →

Download Time Calculator – Estimate File Transfer Time

Enter a file size and connection speed to estimate how long the download will take.

My tools →
Estimated download time –

This is an ideal estimate. Wi-Fi, network overhead, server speed and other traffic can make a download take longer.

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

How to use the Download Time Calculator

  1. 1 Enter the file size and choose decimal or binary units.
  2. 2 Enter the internet speed shown by your provider or device.
  3. 3 Read the ideal transfer time; real downloads can take longer.

How to estimate download time

This calculator converts the file size to bytes and the connection rate to bytes per second, then divides one by the other. Internet plans are usually advertised in megabits per second (Mbps), while file sizes are shown in gigabytes (GB). Since one byte contains eight bits, 100 Mbps equals 12.5 MB/s before network overhead.

For example, downloading 100 GB at 100 Mbps takes about 8,000 seconds, or 2 hours, 13 minutes and 20 seconds under ideal conditions. A 100 GiB file is slightly larger than 100 GB, so it takes longer at the same speed.

Why real downloads take longer

The result assumes the connection continuously reaches its stated speed. Wi-Fi signal, network congestion, other devices, server limits and protocol overhead can all reduce the actual transfer rate. For planning, allow extra time or use a lower sustained speed than the advertised maximum.

The calculator uses decimal units for KB, MB, GB and TB (powers of 1,000) and binary units for KiB, MiB, GiB and TiB (powers of 1,024). It reports an ideal estimate rather than a guarantee.

Frequently asked questions

How long does 100 GB take to download at 100 Mbps?

About 2 hours, 13 minutes and 20 seconds under ideal conditions. Network overhead and connection quality can increase the time.

Is Mbps the same as MB/s?

No. Mbps means megabits per second and MB/s means megabytes per second. There are eight bits in a byte, so 100 Mbps is 12.5 MB/s before overhead.

What is the difference between GB and GiB?

GB is decimal (1,000,000,000 bytes); GiB is binary (1,073,741,824 bytes). A GiB is about 7.4% larger than a GB.

Last updated: