ChatGPT便利ツール（日本語版）”プロンプトつくーる” is a plugin version of the Japanese language ChatGPT and the "Prompt Tsukuru" prompt registration site. It comes with various useful features.

The tool allows users to utilize the templates registered on "Prompt Tsukuru". This makes it convenient to quickly use pre-registered prompts.

Another useful feature is the ability to save frequently used phrases as fixed phrases. This allows users to easily send commonly used sentences.

Users can also bookmark their favorite responses, making it easy to access them later.

The tool displays the date of the chat's last update, providing users with information on the timeliness of the conversation.

Additionally, users can copy text data, enabling them to quickly and easily duplicate text without any formatting.