What is A4 in pixels for screens?

794 × 1123 pixels at 96 DPI, or 595 × 842 at 72 DPI (the size PDF readers use internally).

How do I make an image A4-sized?

Resize it to 2480×3508 px for print or 794×1123 px for screen with our free resizer, then convert to PDF if needed — all in your browser.

A4 size in pixels at every DPI

A4 paper is 210×297 millimeters. In pixels, that depends entirely on DPI: 794×1123 at 96 DPI (screen), 2480×3508 at 300 DPI (print). Here's the full table.

Open Image Resizer

A4 in pixels by DPI

DPI	Pixels (W × H)	Typical use
72	595 × 842	Legacy screen / PDF points
96	794 × 1123	Standard screen resolution
150	1240 × 1754	Draft printing
300	2480 × 3508	Professional print quality
600	4960 × 7016	High-end print / archival

Which DPI should you use?

For anything that will be printed, work at 300 DPI — 2480×3508 pixels. For documents viewed only on screens, 96 DPI (794×1123) keeps files small. US Letter equivalents: 2550×3300 at 300 DPI, 816×1056 at 96 DPI.

Tools used in this guide

Image ResizerResize images to any width and height Images to PDFCombine images into a single PDF Crop ImageCrop images to any area or aspect ratio