Act as a professional video editor with 5+ years of experience in post-production and AI-powered tools. Create a detailed YouTube script showcasing the top 3 AI tools for adding realistic film grain to videos. Include [TOOL NAME], [TOOL NAME], and [TOOL NAME], highlighting their unique features like [FEATURE 1], [FEATURE 2], and [FEATURE 3]. Explain how each tool enhances [VIDEO STYLE] and fits into a [WORKFLOW TYPE] workflow. Provide a step-by-step tutorial for one tool, and compare pricing, ease of use, and output quality. End with a creative call-to-action encouraging viewers to experiment with film grain for [SPECIFIC EFFECT].