# Any extension or API to use Aseprite atlas export? ( json/png)

**URL:** <https://forum.defold.com/t/any-extension-or-api-to-use-aseprite-atlas-export-json-png/71182>\
**Category:** Questions\
**Created:** [June 29, 2022, 3:17pm UTC](https://forum.defold.com/t/any-extension-or-api-to-use-aseprite-atlas-export-json-png/71182 "2022-06-29T15:17:04Z")\
**Posts on this page:** 1\
**Showing post:** 17

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**Author:** ![AGulev](https://forum-defold.b-cdn.net/user_avatar/forum.defold.com/agulev/32/4541_2.png) [@AGulev](https://forum.defold.com/u/AGulev)\
**Post date:** [June 30, 2022, 8:13am UTC](https://forum.defold.com/t/any-extension-or-api-to-use-aseprite-atlas-export-json-png/71182/17 "2022-06-30T08:13:47Z")

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You can tweak your animation in an external tool and then export it with needed frame rate without worrying about frame duplicates.  
When it’s done just replace all the duplicates using the following script:

> [@DefTree: A python module for editing Defold files](https://forum.defold.com/t/deftree-a-python-module-for-editing-defold-files/15210/5):
>
> star_struck Sometimes flipbook animations has the same frames in different png files. It makes atlases bigger than they should be, because Defold allows to use one png in few different animation(in one atlas) or few times in one animation. This script replace duplicates in all project’s flipbook animations:

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