Helpers
Small helpers that run right in your browser — no sign-in, no database.
Timer
Interval timer for HIIT and circuit training. Set the exercise, rest and number of rounds, and the timer guides you through colour-coded phases with a sound signal.
trainingtimeMeditation
Meditation timer with blocks. Add as many blocks as you like and set each one's own length; a soft gong sounds at the end of each one and three times at the end of the whole session.
mindtimePassword generator
Generates strong random passwords or easy-to-remember passphrases. You choose the length and character types; nothing is sent anywhere.
securitytextInvoice generator
One-off invoice in CZK as a PDF with a QR payment code. For VAT payers and non-payers, with logo and signature; the IBAN is derived from the account number.
financepdfCompound interest
Compound interest calculator with a chart. Initial deposit, regular savings, rate and period; interest is credited monthly or yearly.
financesavings