If a TikTok post is built from photos or slideshow cards, the right goal is usually to save the images themselves. Forcing that kind of post through a general video workflow is slower and often gives you the wrong output.
Recognize the content type first
Some TikTok URLs point to standard videos. Others point to photo-mode or gallery posts. That difference matters because the best downloadable output changes with it.
If what you want is the actual set of images, use a photo-first workflow instead of looking for a single MP4 to do the job.
When to download all images
Download the full set when you are collecting a reference post, a mood board, or a step-by-step slideshow where every frame matters.
This is also the better choice when the slideshow is short and you know you will keep the whole set anyway.
When to select only a few slides
Use selective image download when a slideshow contains filler frames, duplicate cards, or only a handful of useful images.
That is common in product showcases, meme slides, and creator explainers where only two or three frames are worth keeping.
What not to do
Screenshotting every card is tedious and low quality. Treat it as a last resort, not a workflow.
Using the MP3 or story workflows for a slideshow post only adds noise. Pick the photo page first and keep the process shorter.