# PromptChief

> PromptChief is an AI productivity platform: a Chrome Extension for instant prompt access inside AI chat apps, plus a full Web App with a personal prompt library, Prompt Hub marketplace, AI-powered Prompt Lab, and subscription plans.

## What it does

PromptChief helps individuals and teams get better results from AI by providing professionally crafted prompts and tools to create, test, and manage their own. The product has two main components:

**Chrome Extension** — Injects a sidebar directly into ChatGPT, Claude, Gemini, Grok, Perplexity, Mistral, and DeepSeek. Gives one-click access to prompts with fuzzy search, prompt chains, and magic placeholders. Free, no account required.

**Web App (promptchief.tech/app)** — Full prompt management platform with cloud sync, the Prompt Hub (community marketplace), Prompt Lab (AI testing environment), AI Prompt Generator, and Markdown File Generator.

## Key Features

- **Personal Prompt Library** — Create, organize, and sync prompts across devices. Supports categories, favorites, bulk actions, and usage tracking.
- **Prompt Hub** — Community marketplace to discover and save curated prompts. Browse by category, rating, and type (prompts, bundles, markdown files).
- **Prompt Lab** — Test prompts against GPT-4o mini and GPT-4o, compare models or prompt versions side-by-side, analyze quality with AI scoring, and benchmark results.
- **AI Prompt Generator** — Generate production-ready prompts from a topic and goal.
- **Markdown File Generator** — Create Soul Files, System Prompts, Cursor Rules, Agent Instructions, and more.
- **Prompt chains** — Multi-step AI workflows that run in sequence.
- **Magic placeholders** — [[DATE]], [[URL]], [[CLIPBOARD]], [[SELECTED_TEXT]] auto-fill; [[VAR:option1|option2]] dropdown selects.
- **Dark & Light mode** — Full theme support across all pages.

## Supported AI Platforms (Extension)

ChatGPT (chatgpt.com), Claude (claude.ai), Google Gemini (gemini.google.com), Grok (grok.com), Perplexity (perplexity.ai), Mistral Chat (chat.mistral.ai), DeepSeek (chat.deepseek.com)

## Pricing

- **Free** — Chrome extension, 10 saved prompts, 5 AI generations/month, Prompt Hub access
- **Plus** (€9.99/mo) — 75 prompts, 500 AI gens, 10 markdown files
- **Pro** (€19.99/mo) — 400 prompts, 2,500 AI gens, 30 markdown files, Prompt Lab (15 runs/month)
- **Ultimate** (€59.99/mo) — Unlimited prompts, 10,000 AI gens, unlimited markdown files, Prompt Lab (250 runs/month), priority support

## Installation

Chrome Extension: https://chromewebstore.google.com/detail/flhmeabiecdikkamfllhganogbbgoahc
Web App: https://promptchief.tech/app/

## Website

https://promptchief.tech

## Privacy & Legal

- Privacy Policy: https://promptchief.tech/privacy.html
- Terms of Service: https://promptchief.tech/terms.html
- Cookie Policy: https://promptchief.tech/cookies.html
- Data stored in Dublin, Ireland (EU) via Supabase — GDPR compliant
- Payments processed by Paddle (Merchant of Record)
- Operator: John Henry Herzel, Germany