Resize Image To A3 Size Online – Resize Images Free

An A3 size image is mostly used for printing media, especially for poster designs. Also, we usually use an A3 image size for social media posts such as Instagram. This size is used as an international paper size. And its orientation would be portrait. Additionally, if you have an image that is larger than this size, you must have to optimize and resize it to a smaller size. Compress Karu has such an application that will reduce your large-size image. And it will make it according to A3 image size without cropping. Also, it won’t hurt image dimensions as well. In this blog post, we will let you know how to resize image to A3 online for free with a few clicks.

Resize Image To A3 Size Online

A3 image resizer is an online web application that is used to resize a large-size image file to a smaller one. It makes your images capable of printing without losing quality. In addition, you can easily make your images fit for poster printing. It has the smartest algorithm-based AI-powered tool that deeply analyzes your image and then optimizes it without affecting color scheme, pixels, and resolution.

How To Resize Image To A3 Online Free Without Losing Quality?

To reduce image size to A3, there is a step-by-step guide mentioned below. Take a look at that and do the same procedure:

  1. Click on the “Add/Select Image” button.
  2. Now select the images from the gallery or image folder of your device and click on the “Open” button.
  3. Click on the “Resize” button.
  4. After a moment, your image files will be processed.
  5. Click on the “Download” button to save your processed image(s) for free.


What is the photo ratio for A3?

A3 is an international paper size in portrait orientation. It has an aspect ratio of 1:1.414. Also, it has a size of 297 mm wide x 420 mm long. But in inches, its size will be 11.69×16.54 inches (width x height).

How many pixels are in A3?

An A3 size has a of 4961×3508 pixels (width and height) without bleed area (300 dpi). But with a bleed area, it would be 5031×3579 pixels (300 dpi).

How do I resize an image to A3?

To make an A3 size image, you have to follow the instructions mentioned below:

  1. Click on the “Select Images” button.
  2. Now select an image or multiple images from your device’s gallery or image folder and tap on the “Open” button.
  3. Click on the “Resize” button.
  4. Wait for a moment, it won’t take much time to convert the image size.
  5. Click on the “Download” button to save your resized image(s).

you’re done.

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