Tag Roulette pulls from a huge collection of AO3 tags, thanks to the lovely people over at Archive of our Own who sent me a data dump of their tags back in 2021. Because of that, the list isn't completely up to date, but most of the commonly used tags are here!
This tag generator provides a dropdown menu that allows you to customize your tag selection. Choose the "Standard Tags Only" option for a pool of tags excluding potentially triggering and NSFW tags. If you seek a broader spectrum of tags, select the "Include ALL Tags" option, which includes these triggering and NSFW tags. [Please note: the presence of these tags in your results is not guaranteed; it simply expands the pool from which tags are randomly selected.]