1. A concise explanation of the problem you're experiencing.
Most of the COLLADA files I am attempting to convert are more than 10MB.
2. A minimal code example. If you've found a bug, this helps us reproduce and repair it.
3. Context. Why do you need to do this? We might know a better way to accomplish your goal.
Working with creating my own models in cesium
4. The Cesium version you're using, your operating system and browser.
Cesium 1.38 / Google Chrome