> 
> Do you think it'd be okay if i **did** that?  
> 
>  Do you think it'd be okay if i **do** that? 
> 
> 
> 

I usually prefer not using "Will", i'm kinda trying hard to use the **would** right.

Are both of the above sentences grammatically correct?  

Do they mean the same? 

Your help will be really appreciated.