> ## Documentation Index
> Fetch the complete documentation index at: https://docs.spatius.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Avatar

> Avatar IDs, avatar assets, and how AvatarKit loads them.

An **Avatar** is the 3D character rendered by AvatarKit on your user's device.

## Sources

### Public Avatars

Official characters or Avatars made public by other people. You can browse them on [app.spatius.ai](https://app.spatius.ai/avatars/library), copy the `avatar-id`, and use it directly.

<Frame>
  <img src="https://mintcdn.com/spatius/KgLGkQWTJjnB2fTn/images/avatars.png?fit=max&auto=format&n=KgLGkQWTJjnB2fTn&q=85&s=83c25e98c4eee2b6857267eba510d174" alt="Public Avatars" width="1924" height="1553" data-path="images/avatars.png" />
</Frame>

### Personal Avatars

Avatars you create yourself on [Spatius Studio](https://app.spatius.ai).

## Related Concepts

### `avatar-id`

The unique ID of an Avatar. The client passes it to AvatarKit when loading the corresponding avatar assets.

Reference: [Web](/sdk-reference/web-sdk/reference#avatarmanager) | [iOS](/sdk-reference/ios-sdk/api-reference#avatarmanager) | [Android](/sdk-reference/android-sdk/api-reference#avatarmanager) | [Flutter](/sdk-reference/flutter-sdk/api-reference#load-an-avatar)

### `avatar assets`

The Avatar asset package downloaded by the client SDK.

* **Format**: 3DGS (3D Gaussian Splatting) avatar assets.
* **Size**: About 5-10 MB.
* **Limit**: The Avatar can only be rendered after the download completes.


This documentation is built and hosted on [Mintlify](https://mintlify.com), a developer documentation platform.