Steps:
1. compress the image file. Just select normal compression on the compression tool page. Don't over compress. Find the image compression tool. Images should be placed on the tool page for data analysis. According to the size of the image, the tool will make a compression scheme.
2. The photo sharing forum only allows sending files of several hundred KB; The images automatically compressed by WeChat and shared with friends are blurred, and the images compressed by "fast image compression software" are clearer, but they cannot be operated by mobile phones.