I've converted my Australian licenses to the Chinese (CAAC) and Indonesian equivalent. Each authority will have their own requirements for the conversion as mentioned before. It's usually passes in a couple of ground subjects, their own class 1 medical and a flight test.
The medicals in China and Indonesia are more thorough than in Australia. For example, the Indonesian class 1 are done every 6 months, chest xrays are done every 12 months and a stress ECG every 12 months for over 40's. And it only costs about $50 and you get your medical certificate from the DGCA medical officers on the day. They're surprisingly much more efficient than CASA.