1. To know the upload size, we need to know the image upload size specified by Tik Tok. Tik Tok stipulates that the size is 540*960, and our picture size must be uploaded according to this size.

2. The size adjustment of Meitu Xiu Xiu can be done in ordinary Meitu Xiu Xiu without professional ps technology. Enter Meitu Xiu Xiu official website, and choose to upload the pictures we need to resize.

3. Find the place to modify the size. After uploading the picture, we will modify it. See the last item in the toolbar on the left, "Modify Size", and click Modify Size.

4. Modify the size and fill in the image size to be adjusted. Just fill in "540*960" here, and click OK to adjust the image size you need.