PromptGen AI - Free AI Prompt Generator for Text, Image & Video AI Tools
PromptGen AI is a free AI prompt generator that helps developers, designers, video creators, startup founders, and content creators craft high-quality prompts for every major AI tool - ChatGPT, Claude, Gemini, Midjourney, DALL·E 3, Adobe Firefly, Stable Diffusion, Leonardo AI, Runway, Sora, Pika, Kling AI, and vibe coding platforms like Lovable. One tool. Every AI. Instantly.
AI Prompt Generator for Every Use Case
Generate optimized prompts in seconds. Set your role, describe your task, choose a tone, and add constraints - PromptGen AI's prompt engineering engine builds the perfect prompt for your chosen AI model, whether it's a text, image, or video tool.
Core Features
- AI Prompt Builder: Structured prompt engineering with role, task, tone & constraint controls for any AI model.
- ChatGPT & Claude Prompts: Model-specific optimization for GPT-4o, Claude 3.5 Sonnet, and Gemini 1.5 Pro.
- Image AI Prompts: Prompts for Midjourney, DALL·E 3, Adobe Firefly, Stable Diffusion, Leonardo AI, Ideogram & Canva AI - with style, lighting, mood & composition controls.
- Video AI Prompts: Scene-by-scene prompts for Runway Gen-3, Sora, Pika, Kling AI, Hailuo AI & other video editors - camera motion, timing & cinematic style included.
- Vibe Coding Prompts: Full-stack app prompts for Lovable, Bolt, Cursor, v0 & other AI website builders.
- Prompt Engineering Templates: Ready-to-use system prompt templates for LLMs, APIs & automation workflows.
- Developer Tools: API integration prompts, system prompts & multi-agent workflow templates.
Quick Links
ChatGPT Prompt Generator |
Claude Prompts |
Midjourney Image Prompts |
DALL·E 3 Prompts |
Adobe Firefly Prompts |
Stable Diffusion Prompts |
Runway, Sora & Pika Video Prompts |
Vibe Coding Prompts |
Coding Prompts
Image Generation Prompts - Midjourney, DALL·E 3, Firefly & More
Creating stunning AI images requires precise, structured prompts. PromptGen AI generates detailed image prompts covering subject, art style, lighting, color palette, mood, camera lens, and render quality - ready to paste directly into Midjourney, DALL·E 3, Adobe Firefly, Stable Diffusion, Leonardo AI, Ideogram, or Canva AI for professional results every time.
AI Image Editing Prompts - Style Transfer, Inpainting & More
Beyond image generation, PromptGen AI creates prompts for AI image editing tasks like style transfer, background removal, inpainting, upscaling, and image-to-image transformation - optimized for Adobe Firefly, Stable Diffusion img2img, and Canva Magic Studio.
Video AI Prompts - Runway Gen-3, Sora, Pika, Kling & More
AI video tools like Runway Gen-3, Sora, Pika, Kling AI, and Hailuo AI need highly descriptive prompts to produce cinematic results. PromptGen AI builds video prompts with scene description, subject motion, camera movement (pan, zoom, dolly), lighting conditions, visual style, and pacing - so your AI video tool renders exactly what you envision.
AI Video Editing Prompts - Scene Edit, Motion & Effects
PromptGen AI also generates prompts for AI-assisted video editing tasks - including scene transitions, color grading instructions, motion effects, and style transfer for video - compatible with Runway's video-to-video features and other AI editing tools.
Vibe Coding with AI Prompts
Building with Lovable, Bolt, or Cursor? PromptGen AI generates detailed, structured vibe coding prompts that help AI website builders understand exactly what to build - from UI layout and component design to backend logic and API integration. Skip the back-and-forth and ship faster.
What is Prompt Engineering?
Prompt engineering is the skill of writing clear, structured instructions that get the best output from AI models - whether for text (ChatGPT, Claude), images (Midjourney, Firefly), or video (Runway, Sora). PromptGen AI automates this process for every AI tool. No expertise required - just describe what you need and get a production-ready prompt instantly.