v3.26.3
Cover
6 Months Ended
Jun. 30, 2026
Cover [Abstract]  
Document Type S-1
Amendment Flag false
Entity Registrant Name FDCTECH, INC.
Entity Central Index Key 0001722731
Entity Tax Identification Number 81-1265459
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One Ground Floor
Entity Address, Address Line Two 10A Eleftheriou Venizelou Str.
Entity Address, Address Line Three 3035 Limassol
Entity Address, City or Town Cyprus
City Area Code (877)
Local Phone Number 445-6047
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company false
Document Creation Date Sep. 15, 2026