Free Online Tools and Apps

Here you will find tools whose main features you can use on your devices for free and without registration. Free calculators allow you to perform quick calculations online directly on the pages of this website, while the apps let you work with data stored on your device without sending any of your information to a server.

Essential Date Tools

The main purpose of these utilities is to allow users to perform quick calculations based on calendar dates and the days between dates

Example: enter the start and end dates, and the calculator will automatically calculate the number of days between them.

Start date
End date
Days between dates:

Timestamp and Time Interval Calculation Tools

Use these tools to calculate timestamps after a specified time interval or to find the time period between events

Birthday Tracker

Birthday Tracker — an app that reminds you of people's birthdays and notifies you in advance about upcoming celebrations.