to your fingertips
US /tə jʊər ˈfɪŋɡərˌtɪps/
UK /tə jʊər ˈfɪŋɡərˌtɪps/

1.
readily available or easily accessible; thoroughly known or mastered
:
•
He has all the facts and figures to his fingertips.
•
With this new system, all the information is to your fingertips.