# No materials after converting OBJ to JSON with obj2three.js

**URL:** <https://discourse.threejs.org/t/no-materials-after-converting-obj-to-json-with-obj2three-js/5733>\
**Category:** Questions\
**Tags:** loaders\
**Created:** [January 15, 2019, 6:44am UTC](https://discourse.threejs.org/t/no-materials-after-converting-obj-to-json-with-obj2three-js/5733 "2019-01-15T06:44:44Z")\
**Posts on this page:** 2\
**Page:** 2

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**Author:** ![connorzheng](https://avatars.discourse-cdn.com/v4/letter/c/e95f7d/32.png) [@connorzheng](https://discourse.threejs.org/u/connorzheng)\
**Post date:** [January 29, 2020, 10:20am UTC](https://discourse.threejs.org/t/no-materials-after-converting-obj-to-json-with-obj2three-js/5733/23 "2020-01-29T10:20:48Z")

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So JSON format is not possible in HTML?

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**Author:** ![Mugen87](https://yyz1.discourse-cdn.com/flex035/user_avatar/discourse.threejs.org/mugen87/32/5645_2.png) [@Mugen87](https://discourse.threejs.org/u/Mugen87)\
**Post date:** [January 29, 2020, 10:36am UTC](https://discourse.threejs.org/t/no-materials-after-converting-obj-to-json-with-obj2three-js/5733/24 "2020-01-29T10:36:43Z")

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Sorry, but I’m not sure what you mean by that. Of course you can process JSON in web applications but it’s not valid to put it into MTL files.

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