1. Official Launch: The free beta period will end soon, but a generous free tier with some limitations will remain available.
2. Infrastructure Upgrade: Due to rapid growth, we're migrating to premium hosting and will introduce a tier system to cover costs and serve you better.
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Professional JSON Prompt Generator
Create cinematic AI video prompts for platforms like VEO with precision and ease
Prompt Generator
Prompt Checklist
Select Modality
Assess Expertise
Select Industry
Select Platform
Provide Details
Generate JSON
AI Integration Hub
Select and configure your preferred AI providers to supercharge your prompts
NOT CONFIGURED
Power your prompts with GPT-5.3 Codex, the flagship agentic coding model for reasoning and cinematic depth.
NOT CONFIGURED
Claude Sonnet 4.6 offers 1M token context, computer use, and exceptional creative writing.
NOT CONFIGURED
Leverage Gemini 3.1 Pro for massive context windows, reasoning improvements, and rapid iterations.
NOT CONFIGURED
Kimi K2.5 - Flagship open-source model with 100 agent personas and multimodal understanding.
NOT CONFIGURED
Grok 4.2 Beta - 500B parameters with real-time learning capabilities from xAI.
NOT CONFIGURED
Qwen3.5-Plus - 397B MoE architecture with low cost and exceptional performance.
NOT CONFIGURED
DeepSeek V3.2 - Latest base model with reasoning optimization and coding specialization.
NOT CONFIGURED
GLM-5 - Flagship complex engineering model from Zhipu AI with vision capabilities.
NOT CONFIGURED
OpenRouter - Unified API aggregator with cost comparison and routing across all major providers.
Usage Stats
0 Total Tokens
History
Browse your JSON prompt versions and saved AI chat sessions in one place.
All Versions
Select an item from the sidebar...
AI Chat Sessions
Select an AI session from the sidebar...
Setup API Key
Select Provider
OpenAI
Anthropic
Gemini
Kimi
Grok
Qwen
DeepSeek
GLM
OpenRouter
Select Model
Enter the exact model string required by the provider.
Your data stays yours. Keys are stored locally with AES-256 encryption and are only
used for direct API communication.
Validating key...
Contribute a Term
Select a category
Create New Category
Global Parameters
16:9
(Widescreen)
16:9 (Widescreen)
9:16 (Vertical)
1:1 (Square)
4:3 (Standard)
21:9 (Ultrawide)
1080p (HD)
1080p (HD)
4K (UHD)
720p (HD)
24 fps
(Cinematic)
24 fps (Cinematic)
30 fps (Standard)
60 fps (Smooth)
Google Veo
Google Veo
OpenAI Sora
Runway Gen-3
Luma Dream Machine
Kling
Output JSON
Welcome to JSON Prompt Gen
Create Professional Prompts
Build structured JSON prompts for AI video platforms like Veo, Sora, Runway, Kling, Luma.
Add scenes, configure camera angles, lighting, and more.
Add Scenes: Click "+ Add Scene" to create multiple shots
Camera & Lighting: Select from cinematic presets
Negative Prompts: Specify what to avoid in your video
AI Enhancement
Connect your preferred LLM (Claude, GPT-4, Gemini) to enhance your prompts with professional
cinematic language and technical details.
Setup: Go to "LLM Integration" to configure your API key
Enhance: Click the sparkle icon on any scene
Security: Keys are encrypted locally with AES-256
Cinematic Dictionary
Access a comprehensive library of film terminology, camera techniques, and lighting styles to
elevate your prompts.
Browse: Explore categories like Camera Techniques, Lighting Styles
Learn: Each term includes definitions and examples
Copy: One-click to add terms to your prompts
History & Export
Your work is automatically saved. Access history, restore previous prompts, and export to
multiple formats.
Auto-save: Every generation is saved locally
Export: Download as JSON for direct API use
Privacy: Everything stays in your browser
Send Feedback
Help us improve JSON Prompt Gen. Report bugs or suggest features.
LLM API Keys
Enter your API keys to enable the AI Mode. Keys are securely encrypted using AES-256 and stored
locally in your browser.
Meet the New AI Mode
Hey there! 👋 As a solo developer, I've been working late nights to solve your JSON prompt
problems
consistently. I'm incredibly excited to introduce the completely redesigned AI
Mode!
It features an intelligent conversational interface, multi-modal support, and the ability to
securely bring your own API keys.
I'd love
your feedback! Your thoughts help me shape the future of this tool.