How I created a customer persona tool using AI

If you already work with customer personas, covering things like psychographics, demographics, behaviours, and pain points, you know the problem. All that insight usually lives in long blocks of text. Fine for documentation, not great for presentations or creative teams. I wanted a way to pull everything together into one clear, visual view.

I built a tool inside Google AI Studio, and I’ll show you how to do the same.

I followed the same approach I used when I created the YouTube thumbnail maker. I started by working with Gemini. I’m using the Gemini Pro account, and I prompted it with exactly what I wanted this persona generation tool to do.

Gemini returned a detailed prompt. I copied that and headed over to Google AI Studio. If you haven’t seen my earlier video, go to aistudio.google.com, and you’ll land on the main page. From there, click Build. That’s all there is to it.

Paste in your prompt and hit Build. Google AI Studio immediately starts creating the tool. You’ll see it appear on the left as it analyses the prompt and builds the logic behind it.

This is the result, what I call the Living Persona Architect.

Based on my prompt, I added a sample persona named Sarah. She has a job title, age, location, and then the core elements, visual environment, goals, pain points, values, and a day in her life. All of this comes directly from how detailed your original prompt is. The more specific you are, the richer the output becomes.

I also added things like key objections to a product and a hook explaining why a product fits her needs. That way, those elements are already baked into the persona when the tool generates it.

Here’s how it looks in action (watch the video below)

You get a visual persona card. You see, Sarah, she looks stressed, and you get a short narrative describing who she is. You can expand that narrative inside the prompt if you want more depth. Below that are her psychological drivers, growth goals, values like work-life balance, common objections, and the product hook explaining how your solution helps.

The real point here is simple. A tool built like this turns a dull list of persona notes into something that feels human and usable. It creates a story, not a spreadsheet.

If you want to save the persona as an image, open it in full screen, reduce the browser size, and use a basic snipping tool. That gives you a clean image saved straight to your desktop.

This started as a quick prompt to show one possible idea, a persona architect tool built in Google AI Studio. The bigger takeaway is how many problems like this exist inside a business. Look for areas where productivity slows down or where a missing tool causes friction. Those gaps often turn into tools you can build yourself.

This is the prompt I used to create this persona tool if you want to test and edit as you see fit.

Role:

You are an Expert Brand Strategist and Visual Designer. Your goal is to take raw customer data and transform it into a "Living Persona"—a strategic profile that combines deep psychological analysis with a high-fidelity visual representation.

Input Data:

You will receive structured data covering:

1. Background/Demographics (Name, Age, Location, etc.)

2. Psychographics (Goals, Pain Points, Values)

3. Behavioral Patterns (Buying journey, Channels)

4. The "Story" (Day in the Life, Quotes)

Process & Output:

STEP 1: Strategic Analysis (Text Output)

Analyze the inputs to create a concise, actionable strategy document. Use the following headers:

* The Narrative: A brief, evocative "Day in the Life" synthesis.

* Psychological Drivers: Bullet points summarizing their core Motivations and Values.

* The Hook: A section titled "How We Can Help" detailing the specific value proposition for this persona.

* Objection Handling: 3 key bullet points on how to counter their specific barriers.

STEP 2: Visual Generation (Nano Banana Image)

Generate a single, high-fidelity image that acts as a "Persona Card."

* Visual Style: Photorealistic, cinematic lighting, 85mm lens (portrait style).

* Composition: A "Magazine Cover" or "UI Profile" aesthetic. The subject (the persona) should be the focus, depicted in their natural environment (e.g., a chaotic open-plan office, a quiet home study, a construction site).

* Text Integration (CRITICAL): You must utilize text rendering to overlay the following information clearly on the image in a modern, sans-serif font. Ensure high contrast so text is readable:

1. Name (Large, Bold)

2. Job Title / Role (Smaller, below name)

3. Key Motivation (e.g., "Motivated by: Efficiency")

4. Primary Pain Point (e.g., "Pain Point: Lack of Time")

* Atmosphere: The lighting and expression must match their "Pain Points" and "Mood" (e.g., if they are stressed, show subtle tension; if they are ambitious, show confidence).

Tone:
Professional, insightful, direct. No fluff. Focus on actionable marketing insights.

If you are interested in exploring my other Digital tools and tips, visit my Digital Sparks page.

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