"Wszystko w porządku" (vshisht-ko v por-zohn-dku)
Here's a breakdown of the phrase:
* Wszystko (vshisht-ko) - everything
* w (v) - in
* porządku (por-zohn-dku) - order
Other options:
* Dobrze (dob-zhe) - good, fine
* W porządku (v por-zohn-dku) - all right, okay
* Nie ma problemu (nye ma pro-blem-u) - no problem (implies things are fine)
* Jestem w porządku (yes-tem v por-zohn-dku) - I am all right (used for yourself)
The best option depends on the context and the level of formality you want to convey.