1. Cover picture: the first-level picture is 900 pixels x500 pixels (width x height), the second-level picture is 200x200 pixels, and the format is JPG, PNG and GIF, and the file size is within 5M. It will be automatically compressed to 640 pixels wide after uploading.

Second, the picture in the text: There is no specific size limit officially. Generally, the width is set to 900 pixels, and the height is arbitrary. The format and file size are the same as the cover picture, and dynamic gif pictures are supported.

3. Thumbnail: This does not need to be uploaded, and the second-level graphic message will automatically use the 200x200 cover picture as the thumbnail when sharing. The first-level graphic message will automatically capture a 500x500 picture from the center of the cover image as a thumbnail.

Image editing method of WeChat public platform:

1. If the aspect ratio is not 9:5, it will be cropped as follows.

2. For the second message of the box, it will be cut as follows.

Wechat WeChat official account needs to use three pictures to publish graphic news articles:

In the WeChat official account chat dialog box, the article cover pictures of graphic messages are divided into one level and two levels.

Pictures used in graphic information text

Thumbnails for dialogs and friends circle articles.