Minecraft whitelist.txt to whitelist.json conversion tool
This is a very simple tool that utilizes the minecraft web API to pass usernames and get back the JSON formatted UUID + Username.
The output is stored in a file named whitelist.json, and can be dropped into the new 1.7.9 and 1.8 Minecraft Servers.
USE AT YOUR OWN RISK
NO WARRANTIES
To use the Jar file:
java -jar NameToUUID.jar whitelist.txt
java -jar /path/to/jar/NameToUUID.jar /path/to/file/whitelist.txt