# Offline mode cesiumJs

**URL:** <https://community.cesium.com/t/offline-mode-cesiumjs/15839>\
**Category:** CesiumJS\
**Created:** [October 25, 2021, 6:14am UTC](https://community.cesium.com/t/offline-mode-cesiumjs/15839 "2021-10-25T06:14:18Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![hosein\_movahedi](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/hosein_movahedi/32/6873_2.png) [@hosein\_movahedi](https://community.cesium.com/u/hosein_movahedi)\
**Post date:** [October 25, 2021, 6:14am UTC](https://community.cesium.com/t/offline-mode-cesiumjs/15839/1 "2021-10-25T06:14:18Z")

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Hello  
How can i use cesiumJs offline,means without token and cdn file because my system don’t connect to the internet?

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**Author:** ![sam.rothstein](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/sam.rothstein/32/6584_2.png) [@sam.rothstein](https://community.cesium.com/u/sam.rothstein)\
**Post date:** [October 26, 2021, 8:05pm UTC](https://community.cesium.com/t/offline-mode-cesiumjs/15839/2 "2021-10-26T20:05:54Z")

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@hosein_movahedi

Welcome to the community! CesiumJS can be used in offline mode! Please check out the following sandcastle demo for more information:

> **[Cesium Sandcastle](https://sandcastle.cesium.com/?src=Offline.html)**
>
> The Cesium Sandcastle provides an interactive environment for testing Cesium code.

As always, feel free to reach out if you have any additional questions or concerns!

-Sam