You could use some free online service to grab the videos. For instance, the one I use often is Tikcd.com
TikTok is the latest social media sensation, which has gone viral particularly in recent times.
Finding TikTok videos you saw and liked in the For You page can sometimes be hard,
which is why you might want to download TikTok videos.
In case you find the watermark annoying, we also tell you how to download TikTok video without watermark.
Step 1: Copy link to tikcd.com
Step 2: click and download
Step 3: Download Tiktok Video
After this 3 steps you can get the tiktok video without watermark
Best tool : Best TikTok Downloader Without Watermark