Guide to photo formats and sizes requirements for Hong Kong

PhotoPassport.app uses its own maintained registry of countries and document types following official documentations.

Document Type	Passport (online ok)(40 x 50 mm) Get Started
Picture size	40x50 mm (width x height)
Head height	70 % of the photo total height
Top head distance	10 % from top the of the photo
Background color
Printable format	10 cm x 15 cm - 4" x 6"
Digital format	1280x1600

Document Type	Visa (online ok)(40 x 50 mm) Get Started
Picture size	40x50 mm (width x height)
Head height	70 % of the photo total height
Top head distance	10 % from top the of the photo
Background color
Printable format	10 cm x 15 cm - 4" x 6"
Digital format	1280x1600

Document Type	APEC Business Travel Card (online ok)(40 x 50 mm) Get Started
Picture size	40x50 mm (width x height)
Head height	70 % of the photo total height
Top head distance	10 % from top the of the photo
Background color
Printable format	10 cm x 15 cm - 4" x 6"
Digital format	1280x1600

Link to official documents	https://www.gov.hk/en/residents/immigration