Minecraft ID Resolver
Minecraft ID Resolver 1.0.9 for Mac can be downloaded from our software library for free. Minecraft ID Resolver for Mac is included in Games. Our antivirus scan shows that this Mac download is clean. The latest installation package that can be downloaded is 926 KB in size. This free Mac application is an intellectual property of SS111.
From the developer:
Minecraft-ID-Resolver is an open-source, cross-platform tool designed to find and fix Minecraft ID conflicts. It is written in Java and therefore will work on every OS. The application intends to identify and solve Minecraft ID conflicts so you can enjoy the game.
You may want to check out more software for Mac, such as Minecraft Jar Tool, Minecraft Downgrader or Minecraft, which might be related to Minecraft ID Resolver.