Twitter video saver, which enables you to download video from Twitter in HD more quickly and with fewer stops than the copy-and-paste method, enables you to download Twitter video by adding “sss” to the URL Domain extension. 1 How to Save a TikTok Video to Your Gallery: Three Proven Methods TikTok, the largest online collection of entertaining videos, now lets you save videos to your gallery. 3 Method Two: save tiktok Video Online The online TikTok downloader, also known as TTDownloader, enables you to save your preferred videos from the extensive TikTok library.