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Local-First
24 Techniques · 50+ Personas
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Prompt Engine

Build reusable, high-quality prompts for ChatGPT, Claude, and Gemini. Templates with variables, persona switching, token counting, and multi-workspace isolation — all stored locally in your browser.

Start BuildingTry Chain of Thought
expert_persona.md
System
System
You are an expert [role]
with deep knowledge in [domain]
Constraints
- Use plain language
- State assumptions clearly
3 variablesReady to copy

Template Builder

Ready

Build reusable prompt templates with typed variables, default values, and validation rules. Fill once, use anywhere.

{{var}}JSONMD
System: Verified

Personas

Ready

Switch between 50+ predefined personas or create custom ones. Dial in the right tone and expertise instantly.

Data Scientist · Legal · Product
System: Verified

Token Counter

Ready

Estimate token usage, check model context limits, and optimize prompt length before sending to any LLM.

~1,240 tokens · fits 4K
System: Verified

Workspaces

Ready

Separate workspaces for projects, clients, or experiments. Each with its own templates, env vars, and config.

Isolated · Encrypted · Local
System: Verified
24 Techniques
Instant Copy

Why use the
AI Prompt Generator

A browser-based workbench for designing, testing, and reusing AI prompts. No signup, no uploads — your data stays on your machine.

Template Designer

Create and edit prompts with variables, personas, and constraints. Build once, reuse across projects.

Multi-format Export

Copy as Markdown, plain text, or OpenAI API messages. Download as .md or .json for version control.

Workspace Isolation

Keep projects, clients, and experiments separate. Each workspace has its own templates, env vars, and provider config.

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