Free AI Prompt Generator for Gemini
The ultimate Gemini prompt generator to create professional prompts for image generation (Nano Banana Pro), video creation (Veo 3), and text tasks. Build structured, optimized prompts that get better AI results instantly.
{ "prompt": "A dynamic scene featuring a mysterious character standing under gentle rain in the city night, glowing reflections on wet pavement, detailed composition", "negative_prompt": "blurry, low detail, dark, overexposed, watermark", "style_preset": { "style": "ultra realistic" }, "subject": { "outfit": "formal wear", "action": "standing still" }, "environment": { "background": "japanese zen garden" } }
How This Gemini Prompt Generator Works
Creating effective prompts for Gemini requires specific structure and detail. A vague prompt like "create an image" gives mediocre results, but a well-crafted prompt describing style, lighting, composition, and mood produces professional-quality AI art and videos. This tool transforms your basic ideas into optimized prompts that leverage Nano Banana Pro's image generation capabilities and Veo 3's video creation features. The generator structures your prompts with the right keywords, technical details, and formatting that Gemini understands best. Whether you're creating social media content, marketing materials, or creative projects, properly formatted prompts make the difference between amateur and professional results.
The prompt generator provides an intuitive form where you fill in specific fields for your image or video. For AI image prompts, you can select physical appearance, outfit, action, emotion, environment settings, and apply popular filters like "cinematic lighting" or "ultra realistic style". For video prompts, you can specify camera movement, video duration, FPS, motion blur, sound effects, music style, and audio volume through simple form fields. The tool then combines all your selections into a properly formatted JSON prompt that Nano Banana Pro and Veo 3 understand perfectly. You can create prompts for character portraits, product visuals, landscape images, cinematic videos, animated sequences, and more. The prompt generates automatically as you fill in the fields. Simply click "Copy" when ready.
Using a dedicated Gemini prompt generator saves time and eliminates trial-and-error. Instead of testing dozens of variations, you get optimized prompts on the first try. The structured format helps you learn what makes effective AI image prompts, improving your skills over time. This free prompt generator removes the complexity from AI image and video creation, making professional results accessible to everyone. Start by describing what you want to create, and the tool builds a complete, copy-paste ready prompt for Gemini. No prompt engineering knowledge required.
Frequently Asked Questions
A Gemini prompt generator is a tool that helps you create optimized prompts for Google's Gemini AI models, including Nano Banana Pro (image generation) and Veo 3 (video generation). Instead of manually crafting complex prompts, you fill in simple form fields and the generator creates a structured, JSON-formatted prompt that Gemini understands perfectly. This saves time and produces better AI results.
Good Gemini prompts are specific, detailed, and well-structured. Include the subject, style, lighting, mood, composition, and any technical details like camera angles or art styles. For images, specify elements like "cinematic lighting," "ultra realistic style," or "photorealistic." For videos, include camera movement, duration, and scene details. The more specific your prompt, the better your results.
No! The generator automatically creates JSON-formatted prompts for you. Simply fill in the form fields like outfit, action, environment, and lighting. The tool structures everything into proper JSON format that Gemini AI can read. You just copy the output and paste it into Gemini. No coding knowledge required.
Gemini prompts work best with structured JSON format and specific technical details about camera settings, lighting, and cinematography. Unlike ChatGPT which prefers conversational language, or Midjourney which uses comma-separated modifiers, Gemini responds to organized field-based prompts with clear categories like subject, environment, and style filters.
For best results, be detailed but focused. Include 4-6 key descriptive elements: subject, style, lighting, composition, mood, and specific details. Avoid overly long prompts with unnecessary filler words. The generator handles optimal length automatically by organizing your inputs into structured fields. Quality over quantity. Specific details matter more than word count.
Common issues include vague descriptions, conflicting details, or missing key elements. Make sure your prompt includes specific style references, clear subject description, and detailed environmental context. Use negative prompts to exclude unwanted elements. The generator's filter options like "ultra realistic style" or "cinematic lighting" help achieve consistent results.
Yes, this prompt generator is completely free. Generate as many prompts as you need for your Gemini AI projects. Note that while the prompt generator is free, accessing Nano Banana Pro and Veo 3 through Google may have its own pricing or access requirements depending on your usage level.
Yes! The prompts generated by this tool are yours to use however you like. However, the commercial use rights for the actual AI-generated images and videos depend on Google's Nano Banana Pro and Veo 3 licensing terms. Check Google's current terms of service for details on commercial use of AI-generated content.