デッキ分布図つくるマシーン (Deck Distribution Chart Maker) is a free Chrome add-on developed by ぶらちょこ. This add-on allows users to easily create deck distribution charts, also known as deck usage rate pie charts, using the deck creation tool on the official Pokémon Card Game Trainer's Website.

With this add-on, users can create deck distribution charts and download them as PNG image files. The charts provide a visual representation of the deck's usage rate, allowing players to analyze and optimize their deck strategies.

It's important to note that the developer and this add-on are not affiliated with any companies that own the registered trademarks for "Pokémon Card Game" or "Pokémon". The add-on is provided as-is, and the developer does not assume any responsibility for any damages or issues that may arise from its use.

The latest updates to the add-on include bug fixes related to the Trainer's Website updates, UI adjustments, the ability to retain options and edited labels, the ability to edit card quantities using the keyboard, and the option to create distribution charts from the right-click menu.

If you're looking for a convenient way to create deck distribution charts for the Pokémon Card Game, give デッキ分布図つくるマシーン a try.