An Avatar ID is a unique string of letters, numbers, and sometimes hyphens that serves as the avatar's permanent "address" in VRChat's database. You will often see IDs with the prefix avtr_ followed by a long string of characters (e.g., avtr_c38a1615-5bf5-42b4-84eb-a8b6c37cbd11 ), but some IDs from older avatars may not have a prefix and are just a string of random characters.

is a popular desktop companion app for VRChat that provides extensive functionality, including avatar and world management, friend tracking, and more. When combined with logging tools like vrc-log, VRCX can automatically generate avatar links when new avatars are discovered in your local logs.

Having an Avatar ID is essential for several reasons:

Every avatar uploaded to VRChat is assigned a unique identifier string by the servers. This is known as the Avatar ID. : It always starts with the prefix avtr_ . Example : avtr_1234abcd-5678-90ef-1234-567890abcdef