How To Check The Size Of An Image?

Almost everyone had faced a situation when a photo was too large for sharing by email or had poor quality for printing. The size of your image influences various aspects of using it. The main are Storage Space, Loading Time, Bandwidth Usage, Display Quality, Editing Flexibility, Compatibility, Performance, Sharing and Transfer, and Accessibility.

Larger photos provide more flexibility for editing and manipulation without significant loss of quality, which is especially important in graphic design, photography, and other creative fields, but they take up more space. In certain contexts, email attachments, or social media uploads, there might be restrictions on the maximum size allowed. When sharing pictures over the internet or via messaging apps, larger files can be more cumbersome to upload. Compressing files can make it more efficient.

Considering these, it is really useful to know how to balance the capacity and quality of your shots. So what exactly means the size of an image and how to measure photo size?

In this article, you will learn how to do it and how to check image resolution online.

What Is An Image Size

Each picture has its purpose — from printing, posting on a web page, or sharing on social media to storing in the “Summer vacation 2023” folder on your computer or in cloud storage. The size of your files depends on the possibility of working with them and the amount for storage. The balance between file size, image size, and resolution is essential to get the desired visual quality and optimize performance, especially in web design and digital media.

Picture size represents the width and height of the picture and determines the total number of pixels contained within it. Image size is a critical attribute influencing the photograph's quality, display, and potential usage. With Luminar Neo, you can easily find the pictures' dimensions and change them for your needs.

Finding image size is even more important if you plan to use your photos professionally. Here are some key points related to picture size in photography:

• Resolution is determined by image size, along with physical size (in inches or centimeters). The image's level of detail is expressed in pixels per inch (PPI) or dots per inch (DPI).
• Every image has a ratio of width to its height. Different cameras may have other aspect ratios, for example, the common 3:2 or 4:3. The aspect ratio affects the shape of the photograph and how it fits within various print or display formats. The aspect ratio can be easily changed using an auto picture editor, other systems, or individual photo editors.
• Larger file sizes with higher resolutions are more suitable for printing at larger sizes without sacrificing quality. They are also more flexible in post-processing when cropping the image without significantly reducing the final solution.
• Huge image sizes lead to larger file sizes, as more data is required to store the additional pixels. Consider this when managing and storing your digital pictures.
• Image sizes appear on digital screens, websites, and social media platforms. Files that are too large might take longer to load or be canceled if they exceed the allowed download size.

How To Find Image Resolution

Imagine you have many beautiful photos from your vacation and want to print them to keep memories. Would you like it done with high quality or a blurry picture suffice? You would choose the first option. The resolution is the main factor influencing the image's sharpness, quality, and suitability for specific applications. Let’s find what level of detail should be chosen for a better picture view.

Here are acquainted the key points to understand the resolution of photos:

• The resolution is determined by the number of pixels in the image's width and height. The higher the resolution, the more detailed and clear the picture will appear, especially when printed or displayed on larger screens. You will find how to check an image's pixels in this article below.
• Greater pixel density has higher resolutions, which means more pixels are packed into each inch or centimeter. It shows us finer details and good quality of the picture.
• Resolution in printing is measured in DPI (dots per inch). Higher DPI values mean more dots (ink droplets) are used to represent each pixel, resulting in smoother pictures and higher print quality.
• For digital screens, the resolution is measured in PPI (pixels per inch). Higher PPI values give sharper and more detailed images on computer monitors, smartphones, and tablets.

The ideal resolution for pictures varies depending on their intended use. A higher resolution is crucial for print materials, ensuring photographs look sharp and detailed when printed at a specific size. Conversely, a lower resolution is sufficient for on-screen display, as screens have limitations in displaying extremely high resolutions due to physical pixel sizes. 

Have you ever faced the term “Megapixels” (MP)? It is usually used as a simplified way to express resolution. One megapixel is equal to one million pixels. A 12-megapixel camera captures photos with a resolution of approximately 4000x3000 pixels (12 million pixels).

Depending on your needs, you can make image resolution bigger or smaller. Upscaling (increasing resolution) and downscaling (decreasing resolution) can impact picture quality. Upscaling can lead to a loss of sharpness and detail, while downscaling can improve sensitivity but may not add missing details. Choosing the correct resolution ensures the shots look their best and suit their intended purpose.

By following these steps, you can easily check image resolution, which is essential information for understanding its level of detail and determining its suitability for various display or printing purposes.

How to Check the Size of an Image

Now let's talk about how easily and quickly you can see the size of an image using your computer or check image resolution online.

The easiest way to check the pixels of an Image is by using Image Viewer or Photo Editing Software on your computer.

1. The first step is opening your file using a picture viewer or photo editing software like Luminar Neo, Adobe Photoshop, or GIMP.
2. Then look for an option like “Image Information”/”Image Properties”/”Image Details.” It can usually be found by right-clicking on the image or in the File menu.
3. The file dimensions in pixels are in the opened file information or properties window.

Using Image Editing Software is fast and easy to Measure Photo Size. First, open the picture using editing software like Luminar Neo, Adobe Photoshop, GIMP, or Paint. Then check the top toolbar or the status bar at the bottom of the software window. It usually displays the image dimensions in pixels.

On Windows

We have already briefly understood how to find image dimensions on the computer. Let's now try to modify it for our needs. This process is almost identical for all operating systems but has different variations. Just choose what is most clear and fast for you.

To change the picture size on a Windows PC, you can use built-in tools like Microsoft Paint or third-party photo editing software like Luminar Neo or Adobe Photoshop:

• Open the needed image in Microsoft Paint. Click the “Resize” button in the Home tab to resize the image. 
• Select the “Pixels” option, then enter the desired new width or height in pixels. To avoid distorting the file, make sure you maintain the aspect ratio. 
• For finalizing, press the File menu and choose “Save As” to save the resized picture with a new name if you prefer not to overwrite the original.

Consider using third-party photo editing software for more advanced resizing options and saving the image's high quality. In Luminar Neo, open the picture, go to the “Image” menu, and select “Scale Image.” Enter the desired dimensions or use the percentage scale. After resizing, save the picture with a new name to preserve the original. Organically resizing the photo without losing quality will also help AI photo edit. So you can enjoy the many functions of modern technologies for working with images.

On Mac

Changing the image size on a Mac is similar to Windows. The easiest way to use the built-in Preview app.

In the first step, open the file in Preview; in the top menu, click “Tools,” then select “Adjust Size.” Enter the desired width or height in pixels or use the automatically scale percentage. Ensure that “Scale proportionally” is switched to maintain the aspect ratio. After resizing, save the image with a new name to preserve the original.

When you want more resizing functions and correctly preserve the picture's quality, consider third-party software like Luminar Neo, Adobe Photoshop, or Pixelmator. If you plan to work with huge amounts of photos, then an auto picture editor can come in handy.

Online Editors

Sometimes there could be situations when you urgently need to check the image resolution but do not have additional programs or want to check the pixels of an image from your phone. Without panic! Doing this is possible online.

Now there are many platforms can help you for free. Just upload your image to the site, and it will display the dimensions in pixels or other units, along with the file size. So that is how you can get instant information on the image size without software installation, which helps assess picture quality, suitability for web or print, and file storage considerations.

Changing the image size online is also possible using an image resizer website. The procedure is the same as with programs on your PC. You also can select the desired output format (e.g., JPG, PNG). Some sites offer additional options like image compression or aspect ratio preservation. Once resized, you can download the modified pictures to your computer or save them to cloud storage. 

Bottom line

Today, it is very important to be modern and follow the main trends of working with photographs. Correcting the size of the image and preserving its quality, at first sight, looks trivial at first glance, but assure you, a successful operation will give you the best result.

Online image resizers are convenient, free, and ideal for quickly adjusting the dimensions of a small number of images without complex software. But for regular work, it is easier and cheaper to use photo editors like Luminar Neo. Besides, all such sites ask you to register for work with them. It also takes some time. And keep in mind data and information security.

Hope the information you got from this article was useful for you. Wish you inspiration and productive work with your shots!