Have a look at LTOOLS, Paragon Mount Everything and Diskinternals Linux Reader. I can't vouch for any as I have tested none. I think there are others as well.

Runs on all Windows versions, supports all Linux filesystems, NTFS planned :

http://www.chrysocome.net/virtualvolumes

Is it safe to convert my usb stick to ntfs with program Paragon NTFS?

Is it safe to convert my usb stick to ntfs with program Paragon NTFS?

IMHO: No.

Is it safe to convert my usb stick to ntfs with program Paragon NTFS?

IMHO: No.

Don't convert my usb stick at all to ntfs with or without program right. sorry if i wasn't clear

NTFS is not a good file system for USB flash drives. Stick (hah, pun!) with FAT.

NTFS is not a good file system for USB flash drives. Stick (hah, pun!) with FAT.

Now, seriously, BenoitRen is right! FAT (16 or 32) is the way to go. Never even give NTFS a second thought.