Will i recieve my stimulus money on the recovery credit rebare section when filing 2020 taxes in 2021 if no one claims me as a dependant, and will i recieve my maximum tax redund from 2019 returns reduced because someone did claim me as a dependant

Yes, you can claim your Stimulus Payments on your 2020 tax return if you did not receive all that you were due.

 

Click this link for more info Claiming Stimulus on 2020 Taxes.

 

If you need to change your 2019 tax return to indicate that you were not a dependent, you will need to Amend your Return. 

 

This link gives instructions on How to Amend a Prior Year Federal Return.