A4 Photo Resizer

Resize images to A4 paper size for printing. Get the exact pixel dimensions for high-quality A4 prints.

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PNG, JPG, WebP, BMP — any size, mochi handles it all

Resized Image
Result
Dimensions
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File Size
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Image too small? Sharpen first

If your image is smaller than the target size, use Sharpen for better clarity, then resize.

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Specification Value
Pixel Size (300 DPI)2480 x 3508 px
Pixel Size (150 DPI)1240 x 1754 px
Pixel Size (72 DPI)595 x 842 px
Print Size210 x 297 mm (8.27 x 11.69 in)
Aspect Ratio1:√2 (approximately 1:1.414)
Recommended DPI300 DPI for print, 72 DPI for screen
Common UseDocuments, flyers, posters, reports

Frequently Asked Questions

How many pixels is an A4 page?
At 300 DPI (print quality): 2480x3508 pixels. At 150 DPI: 1240x1754 pixels. At 72 DPI (screen resolution): 595x842 pixels. Use 300 DPI for anything that will be printed.
What is A4 paper size in inches?
A4 is 210x297 millimeters, which equals 8.27x11.69 inches. It's the international standard paper size used in most countries outside North America (which uses US Letter: 8.5x11 inches).
Is A4 the same as US Letter size?
No. A4 (210x297mm) is slightly narrower and taller than US Letter (8.5x11 inches / 216x279mm). When resizing for A4, make sure to use A4 dimensions, not US Letter.
What DPI should I use for A4 printing?
Use 300 DPI for professional-quality prints like brochures and photos. 150 DPI is acceptable for draft prints and documents with large text. 72 DPI is only suitable for on-screen display.