This ComfyUI tutorial walks you through a lean, reliable pipeline to upscale and sharpen existing videos using the open-source SeedVR2 model. The workflow loads your source clip with VHS_LoadVideo, reads technical details like frame rate and resolution via VHS_VideoInfo, and breaks the clip into frames with GetVideoComponents. You can quickly iterate on a small section using Video Slice, then set your target output size with ResizeImageMaskNode.

Each frame is enhanced by the SeedVR2 inference node (3531d186-daf3-492a-bb11-94a4c791a3f3) to recover detail and improve perceived sharpness. Finally, CreateVideo reassembles the processed frames at the original FPS from VHS_VideoInfo, and SaveVideo writes the result to disk. The result is a pragmatic, easy-to-tune upscaler you can use for everything from legacy phone footage to screen recordings without extra complexity or proprietary dependencies.