Method 1: cutting

1. Take the use of light and shadow magicians as an example, click Crop and select 1: 1 as the aspect ratio.

2. Pull out and move the cropper to the area to be cropped on the image, and finally double-click the mouse to finish the cropping.

Method 2: Modify the photo size

1. Look at the memory size of this photo first.

2. Take win8 system as an example. Click the "Start" button.

3. Click to open "Drawing".

4. After opening the drawing tool, click Open in File.

5. Find the photos that need to be reduced in size, and click "Open".

6. Then click the button shown by the arrow in the image.

7. After the window pops up, change the percentage to "20". So the picture is reduced by 5 times, and then click OK.

8. At this point, the picture is reduced.

9. Click "File" and then click "Save As".

10. Save the picture where it needs to be saved, and click "Save".

1 1. Finally, open the newly saved picture to see if the capacity is getting smaller.

Size: Friends can not only look at your small head portrait, but also look at your big head portrait. Therefore, the size (pixel), width and height of the picture should not be less than 100, which can ensure that the small head image is clear.

Aspect ratio: the aspect ratio of WeChat avatar is 1: 1, which is a square. However, photos are generally rectangular, which can be done by using photo editing software such as Meitu Xiu Xiu, Light and Shadow Magician and PS.