When you export an effect from Spark AR Studio, an .arexport file will be saved to your computer. This is known as the effect file. This is the file that you upload to Spark AR Hub to start the publishing process. It contains everything your effect needs to work in the camera.
It's important to check file sizes when you're exporting an effect. Effects that are too big won't be approved.
The .arexport file that's exported on to your computer must be 40MB or smaller.
Learn more about effect size limits.
All assets and objects contained in your effect file need to follow the Spark AR Review Policies.
If you have assets that you don't need, you can remove them. To find and remove any unused assets:
Learn more about the Asset Summary.
When you're happy with your effect and you've checked the file sizes and reviewed all assets:
You'll see a warning if your file is still too big.
You can batch export multiple projects using the command line tool.