Zetrax
Zetrax streamlines the creation of optimized prompts for diverse AI systems.
Visit website Free to browse · updated 2026-06-26
What is Zetrax?
Zetrax provides a prompt engineering platform that guides users through category selection, subject description, and parameter customization to build effective instructions for AI models. The process emphasizes clarity and technical optimization, resulting in prompts suitable for video generation, image creation, and coding tasks. The service includes ready-to-use templates that demonstrate professional prompt structures in areas like cinematic scenes and branding content. All operations occur client-side, ensuring privacy while supporting compatibility with multiple leading AI platforms. An accompanying API extends functionality for developers seeking to integrate prompt generation into custom applications or automated workflows. This allows scalable access to the same engine used in the main interface.
Key features
Category-based prompt builder with 6 domains
Real-time prompt generation and preview
Multi-model compatibility (Veo 3.1, Midjourney v6, GPT-4o, Sora)
50+ ready-made prompt templates
REST & GraphQL developer API with SDK
100% client-side processing
No account required
AI models Zetrax uses
Veo 3.1
compatible
Midjourney v6
compatible
GPT-4o
compatible
Claude 3.5
compatible
Sora
compatible
What you can use Zetrax for
Cinematic Video Prompt Creation
Users select the Cinematic Video category to input subjects like a business executive or rockstar and generate optimized prompts compatible with Veo 3.1 and Sora for high-quality video outputs.
Digital Art and Concept Design
Creators choose Digital Art & Gaming to build detailed prompts for Midjourney v6, including elements like fantasy knights or cyberpunk scenes with style modifiers and aspect ratios.
YouTube Branding and Content Prompts
Content creators use the YouTube Branding category to craft prompts for thumbnails, intros, and visuals that integrate with GPT-4o for script and description generation.
How to use Zetrax
- 1Select one of the 6 categories such as Cinematic Video or Digital Art
- 2Enter your main subject in plain English within the 120-character limit
- 3Choose style, lighting, motion, or modifier options based on the category
- 4Review the real-time prompt preview and click Generate & Copy
- 5Paste the output directly into supported models like Veo 3.1 or Midjourney v6
Zetrax pricing
Pricing model: Free. Plan details are indicative — check the site for current prices.
Free
Free
- Unlimited prompts
- No account needed
- No paywalls
- 100% client-side
- Works with Veo 3.1, Midjourney v6, ChatGPT-4o, Sora
- 50+ templates
- Privacy first
Editor's verdict
Pros
- +Free unlimited use with no sign-up
- +Privacy-first client-side execution
- +Works with major AI image/video models
Cons
- –Limited to 6 predefined categories
- –No prompt saving or history
- –Web-only interface
Our take: Zetrax is a solid writing & content choice. It's valued for free unlimited use with no sign-up and privacy-first client-side execution. The main trade-off is limited to 6 predefined categories. A good pick if you want capable AI without a high upfront cost.
Frequently asked questions
An AI prompt builder structures plain English inputs into technically optimized prompts that models like Veo 3.1, Midjourney v6, and GPT-4o can understand for better results.
Summary
Zetrax is a solid writing & content choice. It's valued for free unlimited use with no sign-up and privacy-first client-side execution. The main trade-off is limited to 6 predefined categories. A good pick if you want capable AI without a high upfront cost.
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