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Image Resizer for Exact Pixels, KB, CM and MM

Resize images to exact dimensions in pixels, KB, inches, mm, or cm. Reduce image size to 20KB, 50KB, 100KB, or 200KB for passport photos, visa applications, forms, social media, and print.

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Image Resizer for Exact Pixels, KB, CM and MM realistic preview

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Image Resizer for Exact Pixels, KB, CM and MM: what to check before download

Use this Image Resizer for Exact Pixels, KB, CM and MM page as a practical browser workspace: check the preview, confirm the output settings, and download only after the image looks clear on mobile and desktop.

For best results, start with the original camera file instead of a screenshot or a compressed social-media image. That keeps edges sharper and gives the tool enough detail to process the face, background, or file size correctly.

ComplianceFace, crop, background ResizeMM, pixels, DPI CreateOne standard daily download
4
Unit Types
15+
Preset Sizes
Fast
Browser workflow
Private
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Drop your image here

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Supports JPG, PNG, WebP - Max 50MB

Common Photo Size Reference

Not sure what size you need? Here's a handy reference for common photo dimensions used for passports, visas, social media, and more.

Passport & Visa Photo Sizes

Country Size (mm) Pixels @300DPI
USA 51 x 51mm (2 x 2") 600 x 600
UK / EU 35 x 45mm 413 x 531
India 51 x 51mm (2 x 2") 600 x 600
China 33 x 48mm 390 x 567
Japan 35 x 45mm 413 x 531
Canada 50 x 70mm 591 x 827

Social Media Sizes

Platform Type Size (px)
Instagram Profile 320 x 320
Instagram Post (Square) 1080 x 1080
Facebook Profile 170 x 170
Facebook Cover 1200 x 630
LinkedIn Profile 400 x 400
Twitter/X Profile 400 x 400

Understanding DPI & Pixels

Confused about DPI and pixels? Here's a simple explanation to help you choose the right size.

72 DPI (Screen)

Used for web images, social media, and digital displays. Lower resolution but smaller file size.

2 x 2 inch = 144 x 144 pixels

300 DPI (Print)

Standard for printing. Recommended for passport photos, professional prints, and official documents.

2 x 2 inch = 600 x 600 pixels

600 DPI (High-Res)

Ultra-high quality for professional photography, large prints, and detailed archival work.

2 x 2 inch = 1200 x 1200 pixels

Pro Tip: For passport photos, always use 300 DPI. Government agencies require high-quality prints, and 300 DPI ensures your photo looks sharp and meets official requirements.

Frequently Asked Questions

How do I resize an image without losing quality?
Making images smaller (downscaling) generally maintains quality. Our tool uses high-quality resampling algorithms to preserve sharpness. For upscaling (making images larger), some quality loss is inevitable, but we minimize it. For best results, start with a high-resolution original.
What size should I use for passport photos?
It depends on your country:
  • USA/India: 2 x 2 inches (600 x 600 pixels at 300 DPI)
  • UK/EU/Schengen: 35 x 45mm (413 x 531 pixels at 300 DPI)
  • China: 33 x 48mm (390 x 567 pixels at 300 DPI)
Use our presets to get the exact size for your country.
What does "maintain aspect ratio" mean?
Aspect ratio is the proportional relationship between width and height. When you lock the aspect ratio (the button), changing one dimension automatically adjusts the other to prevent distortion. Unlock it if you want to stretch or squish the image to exact dimensions.
How do I convert inches to pixels?
The formula is: Pixels = Inches DPI

For example, at 300 DPI:
- 2 inches = 2 x 300 = 600 pixels
- 1 inch = 1 x 300 = 300 pixels

Our tool does this conversion automatically when you select "Inches" as the unit.

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Helpful checklist

Practical notes for Image Resizer for Exact Pixels, KB, CM and MM

Before using Image Resizer for Exact Pixels, KB, CM and MM, start with the original image from your camera or phone gallery. Screenshots and social-media downloads often have lower detail, missing metadata, or compression artifacts that make print and document-photo work less reliable.

Check the preview at normal size and again after export. If the output will be printed, confirm the pixel size, DPI, background, and file format before sending it to a photo lab or uploading it to a government portal.

VisaPicPro tools run in the browser where possible, which helps keep the workflow fast and private. Still, the final decision belongs to the office, embassy, school, or website receiving the image, so compare the export with their latest checklist.

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