I used https://cloudconvert.com/ and converted the mp4 I downloaded from https://twittervideodownloader.com/ to mp4 again and it worked. The issue makes no sense but this is a temporary solution. Source: 6 months ago

I sue this one and I get both video and sounds,if it can help! Https://twittervideodownloader.com/. Source: 6 months ago

So I download a lot of videos from twitter, using sites like twittervideodownloader.com, and it seems like a new issue has sprung up VERY recently. It appears that a good chunk of videos posted from a day ago and onward can't be properly downloaded anymore, no matter what website you use. What I mean is that when I download a video onto my Macbook, it will not play the sound in the finder preview and it will not... Source: 6 months ago

Try using twittervideodownloader next time, though there are probably other sites that do it too. Source: 11 months ago

If you need to download videos form twitter, you can use This You can post the video and a link to twitter for verification. Source: almost 1 year ago

Click Share>Copy Link, then go to https://vido.download/3/ Paste the link in, click, then click&hold and select Download Target. Source: almost 3 years ago