I'm trying to say
"I'm making these videos because I want to see if I can improve."
I came up with this:
Ich mache diese Videos, weil ich sehen wollen, ob ich verbessern kann.
I'm not very confident with subclauses.
There's just 2 small things wrong
wollen has to be declined: In this case the first person singular, which you can find in this declination table. Result:
furthermore your use of verbessern requires reflexive usage:
The original string is not clear:
Either you want to say
In case you want to improve the videos, it would be something like:
Hope that helps.