---
title: "Game Data Index (.index/.index2)"
---

{{< note "This documentation is incomplete." >}}

Index files for [compressed game data](/format/sqpack-dat).

I recommend reading the ["Reading Index Data" section](https://xiv.dev/data-files/sqpack#reading-index-data) on xiv.dev's SqPack docs.

# Alternative Implementations

* [xivModdingFramework (C#)](https://github.com/TexTools/xivModdingFramework/blob/master/xivModdingFramework/SqPack/FileTypes/Index.cs)
* [Lumina (C#)](https://github.com/NotAdam/Lumina/blob/master/src/Lumina/Data/SqPackIndex.cs)
* [Physis (Rust)](https://github.com/redstrate/physis/blob/main/src/index.rs)