In this post, I’ll walk you through building an AI-powered video generator using Next.js, React.js, Tailwind CSS, Clerk, Neon, Gemini API, Replicate, Google Text-to-Speech, and the Remotion library to stitch everything together into a full video.

You can watch complete tutorial on : https://youtu.be/eMplIjZ80Zs

🛠️ Tech Stack

• Next.js & React.js: Frontend & Server-side rendering.
• Tailwind CSS: For fast, utility-first styling.
• Clerk: For seamless authentication.
• Neon: Serverless Postgres for efficient data handling.
• Gemini API: To generate the AI script for the video.
• Replicate: AI-driven image generation.
• Google Text-to-Speech: To convert the script into audio (.mp3).
• Remotion: To build videos programmatically, synchronizing video, audio, and generated images.

🚀Project Overview

We’ll break down the steps to generate a complete AI-powered video:

• Generate Video Script: Use the Gemini API to create an AI-driven script.
• Image Creation: Leverage Replicate for AI-generated visuals based on the script.
• Generate Audio: Use Google Text-to-Speech to convert the AI script into an audio .mp3 file.
• Create Captions: Extract text from the AI script to build video captions.
• Programmatic Video Creation: Utilize Remotion to sync images, audio, and captions into a final video file.

Full Video Link : https://youtu.be/eMplIjZ80Zs