Prompt Template Builder

Create reusable prompt templates with {{placeholders}}. Auto-detect variables, validate names, and fill in values. Copy filled prompts or export JSON. Load example templates for blog, coding, marketing, and more—all in your browser.

No login · No API · Privacy-firstSmart optimization in the browser — no AI APIs.

Step 1 — Template (use {{name}} for variables)

Paste or type your template below
65 / 30,000 chars
Detected:roletaskcontext

Improve template

Step 2 — Variables

Step 3 — Your prompt

AI-ready prompt · Optimized for ChatGPT, Claude & more

Complete
Good(60)
86 characters · ~22 tokens

Make your prompt clearer and more consistent. Add or convert sections below.

Rule-based suggestions — no AI, privacy safe.

Structural analysis

  • Role defined? Present
  • Task defined? Present
  • Context defined? Present
  • Output format specified? Missing
  • Tone specified? Missing
  • Constraints specified? Missing
  • Length specified? Missing
  • Audience specified? Missing

Improvement suggestions

Prompt enhancement

Reorder sections (role first), convert fixed values to placeholders, add missing. No AI — rule-based only.

What is an AI prompt template?

An AI prompt template is a reusable prompt that uses placeholders—such as {{role}}, {{topic}}, or {{tone}}—instead of fixed text. You define the structure once and fill in the values each time. That keeps your ChatGPT, Claude, or other AI prompts consistent and saves you from retyping the same instructions. This prompt template builder lets you create, save, and export templates entirely in your browser.

How to create reusable ChatGPT prompts

Start with the goal of your prompt (e.g. “write a blog post” or “act as a reviewer”). Replace the parts that change—topic, audience, tone, length—with {{variable_name}} placeholders. Use only letters, numbers, and underscores in names. In this tool, add a variable for each placeholder, fill in the values, and copy the filled prompt. Use our Prompt Formatter to clean and structure the result, or check token count with our Token Counter.

Prompt template examples

Good prompt template examples include a clear role, task, and context. For example: "You are a {{role}}. Write {{deliverable}} for {{audience}}. Tone: {{tone}}." Load the example templates in the tool (blog writing, coding task, marketing copy, research, role-based) to see structured prompt examples you can adapt. Combine templates with a Role Prompt Generator or Prompt Library for more ideas.

Why structured prompts improve AI results

Structured prompts give the model clear sections—role, task, context, output format—which reduces ambiguity and improves consistency. Templates make it easy to iterate: change one variable instead of rewriting the whole prompt. They also help with team workflows and automation: export your template as JSON and fill variables programmatically. This tool runs locally, so your prompts never leave your device.

Prompt engineering best practices

  • Use a clear role or persona (e.g. "You are a {{role}}") so the model knows the lens to use.
  • Define the task and context separately so the model can distinguish “what to do” from “background.”
  • Specify output format (length, structure, tone) when it matters for your use case.
  • Keep variable names consistent and descriptive (e.g. {{audience}} not {{a}}).
  • Combine this template builder with a Prompt Improver or Prompt Comparison tool to refine prompts over time.

Frequently Asked Questions

What is an AI prompt template?

An AI prompt template is a reusable prompt with placeholders (e.g. {{topic}}, {{tone}}) that you fill in each time. Instead of rewriting the same structure, you keep one template and swap values—saving time and keeping your prompts consistent for ChatGPT, Claude, or other AI tools.

How do I create a reusable ChatGPT prompt?

Write your prompt once and replace changing parts with {{variable_name}} placeholders. Use only letters, numbers, and underscores in names. In this tool, add a variable for each placeholder, fill in the values, and copy the filled prompt. Save or export your template to reuse later.

Why do structured prompts improve AI results?

Structured prompts give the model clear sections (role, task, context, output format), which reduces ambiguity and improves consistency. Templates also make it easy to iterate: change one variable instead of the whole prompt. Pair this tool with our Prompt Formatter or Token Counter for best results.

Can I use this for API or automation?

Yes. Export your template as JSON and use it in scripts: replace the field values programmatically and substitute {{placeholders}} in the template string. Everything runs in your browser—no data is sent to any server.

Is my data private when using this prompt template builder?

Yes. This tool is 100% client-side and privacy-first. Your template and variables are stored only in your browser (localStorage) or in the URL if you share a link. No data is sent to our servers or any third party. No account or API keys required.

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