Slowing a video online allows you to slow down your videos into multiple aspect ratios, i.e.,1:1 (square), 16:9 (landscape), 9:16, 4:3, and 3:4(portrait). You can even keep the original ratio of your video and make changes accordingly if you don't want these standard aspect ratios. Slowing a video online allows you to slow the video as per your need. All you need is to drag and adjust the box where you want to keep it. Slowing down a video online makes slowing down videos very easy.