Was Hitler planning to conquer all the world or just Europe?

It was just Europe and in fact he didn't even really want all of Europe. He wanted to expand Germany's borders Eastwards into Slavic territory e.g. Poland, Russia, the Baltic States, Belarus and Ukraine etc. read more

So in short, the answer is no. Hitler did not want to conquer the world nor did he even want to conquer Europe. He merely wanted to expand Germany’s territory Eastwards and he wanted the rest of Europe to be neutral or aligned with him. A lot of countries which Nazi Germany invaded were just to bail out the Italians. read more