Free 3x4 cm Image Converter
Transform your images to precise 3x4 cm portrait format for ID photos and official documentation
Upload Your Image
Drag & drop or click to select your image (Max 20MB)
Supports JPG, PNG, GIF, WEBP formats
Multiple images? Resize them all at once
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Custom width & height in pixels, inches, cm, or mm.
Bulk Image Resizer
Resize multiple images together and download everything in one ZIP.
Resize in Inches
Adjust image size in inches with DPI for printing.
Resize in Centimeters
Metric sizing for print and international formats.
Resize in Millimeters
Precise sizing for ID photos and official documents.
Resize for Printing
Optimize image size and DPI for high-quality prints.
Resize & Reduce Image
Resize dimensions and compress file size in one step.
Resize With Aspect Ratio
Resize or change image proportions for any layout.
Resize by Percentage
Scale images to 25%, 50%, 75%, 200%, or a custom percentage.
Why Choose 3x4?
Perfect dimensions for your specific needs with professional results
Official ID Photo Standard
The 3x4 cm dimension is the international standard for ID photos, driver's licenses, and many official documents worldwide.
Visa Application Photos
Perfect for visa applications and immigration documents with the precise 3:4 aspect ratio required by most international embassies.
Portrait Photography
Ideal for formal portraits, headshots, and professional photography with the classic portrait orientation that flatters facial features.
Student ID Cards
Perfect size for student identification cards, school photos, and academic documentation with proper facial proportion.
Compact Printing
Optimal for wallet-sized photos, business card inserts, and small portrait prints that need to fit in tight spaces.
Professional Documentation
Meet official standards for employment documents, membership cards, and professional certifications with precise dimensions.
Frequently Asked Questions
Everything you need to know about resizing images to 3x4
At 300 DPI (print quality), 3x4 cm equals approximately 354x472 pixels. At 72 DPI (web standard), it equals approximately 85x113 pixels. The exact conversion depends on your intended use.
Yes, 3x4 cm is one of the most common international standards for ID photos, widely accepted for driver's licenses, student IDs, and many official documents worldwide.
Many countries accept 3x4 cm photos for visa applications, but requirements vary. Always check the specific visa requirements for your destination country before submitting.
Center your face in the frame with your head taking up about 70-80% of the image height. Ensure your eyes are about 1/3 from the top of the frame for optimal composition.
White or light gray backgrounds are most commonly required for official photos. Some countries may specify other colors, so check the specific requirements for your intended use.
Yes, you can crop an existing high-resolution photo to 3x4 cm. Ensure the original image has sufficient resolution and the subject is properly positioned before cropping.
For digital submission: JPEG with high quality. For printing: TIFF or PNG for best quality. Most official applications accept JPEG format with minimum compression.
On a 4x6 inch print, you can fit about 6-8 photos. On an 8x10 inch print, you can fit approximately 20-25 photos, depending on spacing and borders.
Yes, our image resizing tool is completely free to use. No registration required, no watermarks, and no hidden fees. Simply upload your image and resize it to your desired dimensions.
Absolutely! All image processing is done locally in your browser. Your images are never uploaded to our servers, ensuring complete privacy and security of your files.
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