Restore and upscale video to 4K on your Mac, fully offline — every frame stays on your machine. A real timeline editor: cut, auto-montage to a beat, deinterlace old DVD footage, denoise, export to 4K. Photos too. Free tier with watermarked exports; Crisp Pro is $129 once — no subscription, no credits, no account. 30-day refund, no reason needed. Requires an Apple silicon Mac, macOS 26 or later.