Use this video template to make the perfect 3-10 second video for snapchat. Upload a video to this free resizer to crop or fit your video to Snapchat's 9:16 vertical aspect ratio. You can also trim the video clip down to meet the 10 second length requirement. Once you create your video with this tool, it will be the proper format to upload to Snapchat. Spec: 9:16, MP4, Max file size is 32MB.