e621.net is a website that hosts a vast collection of user-submitted content, including artwork, stories, and other media featuring anthropomorphic animals. The site's name is a play on the word "equine" (as in horse) and the number "621," which is a reference to the internet slang term "mu," meaning "nothing" or "zero." Despite its lighthearted name, e621.net has a reputation for hosting explicit and adult-oriented content, so it is intended for users who are 18 years of age or older.

The website was launched in 2007 by a team of volunteers and has since grown to become one of the largest and most popular communities for anthropomorphic content on the internet. e621.net is home to over 5 million submissions and receives millions of unique visitors each month. The site is available in several languages, including English, French, Spanish, and German, making it accessible to a wide international audience.

One of the unique features of e621.net is its tagging system, which allows users to categorize and tag submissions based on their content. This makes it easy for users to find content that interests them and helps to keep the site organized. The tags can range from simple categories like "comic" or "story" to more specific tags like "dragon" or "furry." There are over 100,000 tags on the site, so there is a wide variety of content available to explore.

In addition to the tagging system, e621.net also has a voting system that allows users to rate submissions. This helps to highlight the most popular and highly-rated content on the site. Users can also leave comments and engage with other users through the site's forums and messaging system.

Despite its popularity, e621.net has faced criticism and controversy in the past. Some have criticized the site for hosting explicit and adult-oriented content, while others have raised concerns about the potential for copyright infringement. The site's administrators have taken steps to address these issues and have implemented policies to protect intellectual property and ensure that all submissions are properly credited and linked to the original source.

Despite these challenges, e621.net remains a beloved and thriving community for fans of anthropomorphic content. The site's diverse and talented user base has created a vast collection of artwork, stories, and other media that continues to grow and evolve. Whether you're a seasoned member of the community or new to the world of anthropomorphic content, e621.net is a great place to discover and share your interests.