Frequently Asked Questions

Everything you need to know about AI prompt reverse engineering with VideoPrompt SaaS.

How do I reverse-engineer prompts from a video?

Use the "AI Video Reverse Engineering" feature on our homepage. Upload your video to the linked Google Gemini Gem, which analyzes the video frame-by-frame — examining camera language, lighting, and motion — to automatically generate structured cinematic prompts. The output includes shot descriptions, lighting setups, and model-ready prompt strings.

Which AI models does the image prompt tool support?

The AI Image Reverse Engineering module deeply supports Midjourney v6, Stable Diffusion XL, FLUX.1 (Dev & Schnell), and Stable Diffusion 3. After reverse engineering, you receive complete positive and negative prompts in both Chinese and English, tailored to the syntax of each specific model.

Is VideoPrompt SaaS free to use?

Yes, the core features of VideoPrompt SaaS — including the AI image reverse engineering tool and the prompt library search — are free to use. The video reverse engineering feature uses a linked Google Gemini Gem, which requires a Google account.

How does AI image reverse engineering work?

Upload any image to the AI Image Reverse Engineering module. The AI analyzes the image for color tone, composition style, lighting conditions, focal length equivalents, and artistic style. It then generates a structured prompt in the syntax of your chosen target model (e.g., Midjourney --style raw --ar 16:9 format) that, when used, can recreate images with similar visual characteristics.

What is the prompt library and how large is it?

The VideoPrompt SaaS prompt library is a curated collection of high-quality cinematic prompts aggregated from Midjourney, Stable Diffusion, Gemini, and other leading AI model communities. You can search by keyword, style, or model type to find and copy structured prompts for your own AI video and image generation projects.

Can I use the tool without a VPN in China?

The AI Image Reverse Engineering and prompt library search features are fully accessible in mainland China without a VPN. The AI Video Reverse Engineering feature links to Google Gemini, which requires network access to Google services. We recommend using a reliable network connection or our alternative model channel if you have difficulty accessing Google services.

What makes a good AI video prompt?

An effective AI video prompt for tools like Runway, Pika, or Sora typically includes: (1) Camera perspective — e.g., "low-angle tracking shot"; (2) Subject and motion — e.g., "a woman walking through a neon-lit street"; (3) Lighting and mood — e.g., "golden hour, cinematic lens flare"; (4) Technical specs — e.g., "85mm f/1.8, shallow depth of field"; (5) Style reference — e.g., "--style raw, photorealistic". VideoPrompt SaaS helps you extract all these elements from existing videos and images.

How is VideoPrompt SaaS different from other prompt tools?

Most prompt tools are libraries of static, pre-written prompts. VideoPrompt SaaS focuses on reverse engineering — the ability to analyze any existing image or video and extract what prompts were likely used to create it, or what prompts would reproduce similar results. This makes it especially valuable for creators who want to learn from top-performing AI visuals and apply those techniques to their own work.

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