Build Better AI Prompts

Craft powerful, structured prompts with variables and templates. Test and refine with Gemini for better AI-generated content.

AI Prompt Builder

Advanced AI Prompt Builder

Create powerful, structured prompts with variables and templates to get better results from AI models.

Variable Values:

Context & Settings:

Your API key is only used locally and never stored on our servers.

500 words

Set a limit for the maximum number of words in the generated content.

0 words | 0 characters

Your generated content will appear here...

0 words | 0 characters

Prompt Tips

  • Use {{variable_name}} syntax to create dynamic variables in your prompt.
  • Be specific with your instructions and provide clear context for better results.
  • Use a specific format instruction (e.g., "Format as a bullet-point list") for structured output.

Key Features

Template Library

Choose from multiple pre-built prompt templates for different use cases, saving time and helping you start with proven structures.

Variable System

Create dynamic prompts with customizable variables, allowing you to quickly change key elements without rewriting the entire prompt.

Instant Testing

Test your prompts directly with Gemini AI and see the results immediately, allowing for quick iteration and refinement.

Context Settings

Fine-tune your prompts with tone, style, and audience settings to create more targeted and effective AI-generated content.

Real-time Preview

See how your prompt will look with variables filled in before sending it to the AI, helping you catch issues early.

Save & Export

Save your generated content and export it in different formats, making it easy to use in your projects.

How to Use This Tool

1

Choose a Template or Start from Scratch

Select one of our pre-built templates from the dropdown menu or start with a blank prompt. Templates provide proven structures for different use cases.

2

Customize Your Prompt Structure

Modify the prompt text to fit your needs. Use the {{variable_name}} syntax to create dynamic elements that you can easily change without rewriting the whole prompt.

3

Fill in Variable Values

For each variable you create, a field will appear where you can enter the specific value. These values will be inserted into your prompt template.

4

Generate Content with Gemini

Enter your Gemini API key, check the prompt preview to make sure everything looks good, then click "Generate with Gemini" to see the AI-generated content based on your prompt.

Pro Tip

The more specific and detailed your prompt, the better the results. Add context about tone, audience, format, and include specific examples of what you want whenever possible.

Frequently Asked Questions

What is prompt engineering?

Prompt engineering is the practice of crafting and refining input prompts to AI language models to get more accurate, useful, and relevant outputs. It involves strategically structuring your instructions, questions, or requests to guide the AI toward generating the type of content you want.

Why use variables in prompts?

Variables allow you to create reusable prompt templates where you can easily swap out specific elements without rewriting the entire prompt. This saves time, ensures consistency, and makes it easier to test different inputs to see how they affect the AI's output.

Do I need a Gemini API key?

Yes, to use the generation feature with Gemini, you need an API key from Google. You can get one by signing up for the Gemini API through Google AI Studio. Without an API key, you can still use the prompt builder to create and refine prompts, but you won't be able to test them directly with Gemini.

Is my data secure when using this tool?

We prioritize your data security. Your API key and prompt data are processed locally in your browser and are never stored on our servers. However, when you generate content, your prompt is sent directly to Google's Gemini API. Please review Google's privacy policy to understand how they handle data sent to their API.

What makes a good AI prompt?

A good AI prompt is clear, specific, and provides enough context. Key elements include:

  • Clear instructions about what you want
  • Context about the purpose and audience
  • Specific format requirements
  • Examples when helpful
  • Appropriate length (neither too short nor unnecessarily verbose)
  • Explicit constraints or requirements

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