Showcase Video Builder

Turn screenshots and images into polished demo videos with Ken Burns pan/zoom effects, crossfade transitions, and text overlays. Built for hackathon teams and OSS projects that need showcase content without video editing software.

Core Patterns

Image Slideshow with Crossfades

ffmpeg -loop 1 -t 4 -i slide1.png \
       -loop 1 -t 4 -i slide2.png \
       -loop 1 -t 4 -i slide3.png \
       -filter_complex \
       "[0:v]scale=1920:1080:force_original_aspect_ratio=decrease,pad=1920:1080:(ow-iw)/2:(oh-ih)/2,setsar=1,fade=t=out:st=3:d=1[v0]; \
        [1:v]scale=1920:1080:force_original_aspect_ratio=decrease,pad=1920:1080:(ow-iw)/2:(oh-ih)/2,setsar=1,fade=t=in:st=0:d=1,fade=t=out:st=3:d=1[v1]; \
        [2:v]scale=1920:1080:force_original_aspect_ratio=decrease,pad=1920:1080:(ow-iw)/2:(oh-ih)/2,setsar=1,fade=t=in:st=0:d=1[v2]; \
        [v0][v1][v2]concat=n=3:v=1:a=0[out]" \
       -map "[out]" -c:v libx264 -pix_fmt yuv420p output.mp4