How to change the resolution of a photo: ways and instructions

Sometimes it happens that you need to change the size of the image. The reason for this can serve many factors. First, the larger the resolution of the photo, the larger its size, and such files can be problematic to store on the device. Secondly, if you want to throw a picture over the Internet, you may have problems, because some file sharing have the maximum permissible size limit for photos.

That's why in the article we'll talk about how to change the resolution of a photo. It can be useful in working with a computer, so let's start.

What is permission

First of all let's understand what a permit is. And the term is basically simple: the resolution is the number of pixels along the vertical and the horizontal of the image.

As you know, the more a photo has the same pixels, the bigger its size. However, in our time there are innumerable programs that can reduce the image, thereby reducing its size and not losing quality. Well, now we'll talk in more detail about how to change the resolution of a photo.

I would also like to say that if you reduce the number of pixels relative to the original value, the photo will not lose quality, but if the same value is increased, the difference becomes noticeable.

Method number 1. Paint

The Paint program is probably familiar to everyone. But despite its small number of functions, it is able to help in changing the resolution of the photo.

So, let's say you have a photo with a resolution of 3,000 to 4,000, and you want to reduce this number twice. To do this, open Paint. You can use the search by calling it using the Win + Q keys. There, immediately click on "File" and select "Open". In the appeared explorer we specify the path to the required photo and click "Open".

Before you now your photo. To change its resolution, click "Resize". This button is located on the top panel next to "Highlight".

Now a small window has opened, in which, first of all, it is necessary to choose in which sizes the size will be changed. There are two options to choose from: pixels and percentages. We choose the first. Now you need to tick the "Keep proportions" check box, this will prevent the photo from narrowing or flattening.

Now you can start resizing. Since we initially wanted to reduce the photo twice, we enter the value of 2,000 in the Horizontal field. You probably noticed that the "Vertical" field was filled in itself, this is due to the tick "Keep proportions ".

Now click OK and can safely save the photo in a new size: "File - Save".

This was the first way to change the resolution of a photo - in Paint, now go to the second one.

Method # 2. Adobe PhotoShop

Now we move from small to large, more precisely from Paint to PhotoShop. Of course, these are two image editors, but they are not similar to each other, but this approach will not radically differ from the previous one.

So, we begin to understand how to change the resolution of a photo in PhotoShop. First you need to open it. Immediately after that, click "File" and then "Open" and navigate the path to your photo.

Now click on the same toolbar item "Image". In the list, select the line "Image Size ...". Alternatively, you can just press Alt + Ctrl + I.

In the window that appears, immediately tick the "Keep proportions" box. In the "Dimension" column, select "Peak." From the drop-down list. Now boldly change the size of the photo.

After that, it only remains to save it, but it needs to be done in a slightly different way. Click "File", then "Save as ..." and select the BMP format. This will preserve the quality of the image as the original.

Now you know how to change the resolution of a photo without losing quality using PhotoShop.

Conclusion

As you might have noticed, you do not need to know much to change the photo. The above manipulations can be performed by everyone, and in the end you will get what you want: the photo will change, and the quality will remain the same, moreover, the file size will noticeably decrease. Hopefully, the article gave you an answer to the question of how to change the resolution of a photo.