Resize in Millimeters
Resize images using millimeter dimensions for professional print.
Frequently Asked Questions
How do millimeters convert to pixels for printing?
Pixels = (Millimeters / 25.4) × DPI. For instance, an Indian passport photo of 35×45 mm at 300 DPI translates to approximately 413×531 pixels.
What millimeter presets are available for international visas?
Presets include 35×45 mm (India, UK, Schengen, Australia, Canada visa), 50×50 mm (US 2x2 inch visa/passport), 33×48 mm (China visa), and custom millimeter dimensions.
Does resizing in mm alter photo sharpness?
PDFtiny calculates exact pixel grids with bicubic sampling, ensuring fine facial details, eyelashes, and ears remain razor-sharp for biometric scanning.
Can I check the resulting file size in KB after resizing in mm?
Yes, live KB indicators show your final file size to ensure compliance with online visa upload limits.