2. Then in the page that opens, click "Make Now".

3. If you add photos, you can directly select them. If you add a video, click "Next" directly.

4. Then click "+Picture/Video", as shown in the figure below.

5. Select the video before transformation, click the second thumbnail below, continue to add the transformed video, and then click "Check".

6. Click "Download to Album" and post the video on Tik Tok.