ニコニコ音量保存くん is a free Chrome add-on developed by knit that allows users to save volume settings for individual video creators on the popular Japanese video platform, NicoNico. With this add-on, users can conveniently save and remember their preferred volume levels for each video creator they encounter.

This add-on eliminates the need to manually adjust the volume every time a user watches a video from a specific creator. By saving the volume settings for each creator, users can enjoy a consistent and personalized viewing experience without any hassle.

ニコニコ音量保存くん is a useful tool for NicoNico users who want to customize their volume preferences for different video creators. With this add-on, users can easily manage and save their preferred volume settings, enhancing their overall viewing experience on the platform.