---
title: "I want to extend an existing data format"
description: "Learn how to add new features to an existing data format in TexturePacker."
canonical: "https://www.codeandweb.com/texturepacker/knowledgebase/i-want-to-extend-an-existing-format"
product: "texturepacker"
source: "html"
---

# I want to extend an existing data format

TexturePacker comes with 2 types of exporters:

**Internal Exporters**

These exporters are compiled into TexturePacker and can't be modified.

**Template based exporters**

These exporters are based on a simple template language allowing you to change the output format

A good starting point for you is to use one of the existing exporters (they are inside TexturePacker's application folder in a subfolder called exporters. Pick the one that suits your needs and copy it into a new myexporters folder somewhere outside TexturePacker's path.

Point the exporter path in preferences to that location. Check out the [TexturePacker](https://www.codeandweb.com/texturepacker/documentation/custom-exporter.md) for more information about how to modify the data format.

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