vCard Converter

Here is a good vcard converter:

http://labs.brotherli.ch/vcfconvert/

vCard to LDIF/CSV Converter

Preferred to export Apple's Address Book to Mozilla Thunderbird.
Simply drag all contacts from the Address Book to your desktop and upload the created vCard file.

vCard-File:	(max. 8 MB)
Format:	LDIF (Mozilla Thunderbird) LDIF (Import to LDAP server) CSV Gmail (CSV) FritzBox (CSV) Images Tab Semicolon Comma Add header line
Root DN:	Use as Root DN LDAP identifier, to add it at the end of the "dn:" LDIF line (for example: dc=Users, dc=nodomain) (max. 255 chars)
Encoding:	Unicode (UTF-8) Windows Latin-1 (ISO-8859-1) Windows Latin-9 (ISO-8859-15) <!--Macintosh (Mac Roman)