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Free online tools and calculators

Free tools you can use without an account. Nothing is stored on our server.

Money

What is left from an invoice - what remains after VAT, the tax advance and Polish contributions.
Loan overpayment calculator - what an overpayment saves when it shortens the term and when it lowers the instalment, side by side.
Debt payoff order - snowball or avalanche: what the order costs when you are paying off several debts at once.
ZUS schedule for a new business - when the start-up relief and the preferential base end for your start date, and what each period costs.

Work hours calculator - hours and minutes across days, payroll decimals, overtime and pay with the supplement.
Days until - a countdown to the summer holidays, Christmas, New Year, Polish exams or any date you pick.
Days since - a day counter from a date, with the progress of a plan when something is meant to last.
Working days calculator - working days and the working time norm between dates, with Polish holidays, and a calendar for each year.
Leave calculator - how many days of paid leave you are owed, and how many a given period costs.
Pomodoro timer - a focus countdown with a sound at the end and a session history.
Flowtime timer - the same focus without a bell mid-thought: the timer counts up and the break follows from how long the session lasted.