There are plenty of reasons why you might be looking to save videos from Twitter, but how you go about it depends on what device you’re using. From a desktop or laptop computer, you’ll want to use a dedicated Twitter video download website. Mobile users, on the other hand, will find it’s simpler to install an app to Create QR Codes.
Steps to Create QR Codes online
Step 1: First of all you must know how to get your twitter video/GIF link
there is 3 ways to copy this link check our methods below :
1st method : Right click on any tweet video or GIF and choose "Copy video address"
2nd method : At the bottom of the tweet you'll see an icon 
depicting an arrow that looks like it's trying to get away from a square, click on it and choose "Copy link tweet".
3rd method : Click on the tweet and simply Copy the URL from the address bar of your web browser.
Step 2 : Visit QR Codes Creator and paste the copied Video/GIF URL
and hit download to redirect to another page to get the UHD, HD, SD download links
Step 3 : Choose your favorit download video Quality and thats all.