Free Seedance 2.5 online: describe a scene or upload reference images, video and audio, and get one continuous AI video take of 4 to 30 seconds with no stitching. Fix a single detail with targeted edits instead of regenerating the whole clip, choose from six aspect ratios (16:9, 9:16, 1:1, 21:9, 4:3, 3:4), and download the result as an MP4 in 480p, 720p or 1080p. https://seedance2-5.com