IdeaToVideo

Inspiration

I build a lot of projects, but I rarely tell people about them. I wanted to change that, but the "distribution tax" was too high. My first attempt was hiring a friend to make videos, but it wasn't fast enough for the high-volume, "simple tester" content needed to start conversations.

I tried existing tools like Instadoodle, but the process was incredibly tedious: I had to find matching visuals manually, generate voiceovers for every single scene in ElevenLabs, and import them one by one. It was a mundane task that felt like it should be automated. I wanted a tool where I could just give my script or app idea and get an engaging, full video instantly.

What it does

IdeaToVideo is a Content Compiler. It turns written thinking (PRDs, READMEs, Docs) into ready-to-post educational marketing content (TikToks/Reels/Shorts) without ever touching a video editor.

It breaks text into structured scenes (Hook → Context → Points → CTA), generates consistent AI visuals (Images or Veo B-Roll), synchronizes human-like voiceovers, and renders a final professional video. Crucially, it gives you ownership: you can download all raw assets (images, voices, script) separately for further editing.

How we built it

We treated video generation like software compilation, turning high-level thinking into binary-like media.

• The Brain: Gemini 2.0 Flash transforms rough notes into scene-by-scene scripts (with GPT-4o fallback).
• The Visuals: Gemini 3 Pro Image and Google Veo 3.1 (B-Roll mode) generate stylistically consistent visuals using a "Who, What, Where, When, How, Style" mnemonic pipeline.
• The Voice: Gemini 2.5 Flash TTS provides high-fidelity voiceovers (with ElevenLabs fallback).
• The Factory: Remotion (Next.js 15) renders everything server-side into a high-quality vertical MP4.
• The State: InstantDB manages real-time sync and async video generation polling.

Challenges we ran into

The biggest hurdle was visual consistency. AI-generated images often drift in style between scenes. We solved this by developing a "Brand Visual Moat", a rigorous prompt-enrichment pipeline that enforces a stylized, "Never Realistic" animated aesthetic across every scene in a video.

Another challenge was managing the async generation of B-Roll clips (Veo), which takes minutes. We implemented a robust background polling system using InstantDB to keep the UI reactive while assets bake in the cloud.

Accomplishments that we're proud of

• Achieving true End-to-End Automation: Going from a raw text file to a rendered MP4 in under 5 minutes.
• Establishing a Signature Visual Brand: Creating a style that is immediately recognizable as "Made with IdeaToVideo", avoiding the "uncanny valley" of realistic AI.
• Building a Gemini-First Architecture with production-ready fallbacks that ensure 100% uptime.

What we learned

We learned that the "Content Compiler" mental model is incredibly resonant for founders and thinkers. They don't want a better video editor; they want an engine that distributes their thinking. We also discovered how powerful Gemini 3 Pro is at interpreting abstract brand constraints into concrete visual prompts.

What's next for IdeaToVideo

• Custom Branding: Allowing users to upload their own color palettes and logo assets.
• Background Music: Intelligent mood-matching audio layers.
• Multi-Language Support: One-click translation of scripts and voiceovers for global distribution.
• Cloud Rendering: Moving Remotion renders to serverless infrastructure for even faster exports.

Built with

• Languages/Frameworks: Next.js, React, TypeScript, TailwindCSS
• AI Models (Gemini-First Architecture):
  • gemini-3-pro-image-preview (Visual storyboard)
  • veo-3.1-generate-preview (Cinematic B-Roll)
  • gemini-2.0-flash (Primary Scripting/Orchestration — Fallback: GPT-4o)
  • gemini-2.5-flash-preview-tts (Primary Voice — Fallback: ElevenLabs)
• Infrastructure: InstantDB (Real-time sync & state persistence)
• Rendering: Remotion (Programmatic video editing)
• Payments: PayPal API

Built With

• gemini
• instantdb
• nextjs
• remotion
• tailwind