It depends on what picture editor you have. Most have a menu item/feature called Resize. In Photoshop it's in the Image menu. Find it and put in the size you want the picture to print. You may have to change the size thingy from pixels to inches.
A passport photo should be 2 inches by 2 inches in size for official documentation.
pass
Passport booklet size are approximately 3.5 inch (Width) x 5.0 inch (Height).
That is 'passport' size. It may,however, depend on the country from which you get the passport to travel to Saudi Arabia.
It varies from place to place. In India 3.5 x 3 is the size for a passport photo.
Load picture - make sure it not a backround In Edit > Transform > scale and change the size to that of a passport photo
UK are 3.5cm width and 4.5 cm length
6x4 (cm)
Passports must have a photo of only the individual applying for the passport. These are wallet sized photos and can be taken at any photo processing center.
110*244
To get a passport photo online, you can use a website or app that offers passport photo services. Simply upload a photo of yourself following the specific requirements for passport photos, such as size and background color. The service will then format the photo correctly for a passport and you can download and print it. Be sure to double-check that the photo meets all the necessary guidelines before submitting it for your passport application.
The Indian passport regulatory document states the size to be 3.5cm X 3.5cm but this would create a square shaped photo and in India, most of the passport size photos are in a rectangular shape so set it to 3.5cm X 4.5cm.