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Free AI Prompt Library - ChatGPT, Claude, Gemini

Library of 377 free AI prompts for ChatGPT, Claude and Gemini. Sorted by category, one-click copy, no signup required.

Looking for free AI prompts that actually work? Our library gathers 377 prompts tested and optimized for ChatGPT, Claude and Gemini. Everything is 100% free - no signup, no copy limit.

Every prompt is sorted by category (writing, productivity, marketing, code, education…) and comes with concrete examples. You save time by reaching for proven formulations instead of trial-and-error each time.

100% free

No paywall, no mandatory signup to copy a prompt.

Multi-AI

Every prompt works with ChatGPT, Claude, Gemini and Mistral.

Categorized

Filter by topic, difficulty and use case.

Bilingual

Available in French and English, tailored to each audience.

Showing 349-360 of 377 prompts

πŸ’»DeveloppementIntermediateGemini

Gemini Prompt to Create a Prototype

Prototyping is a crucial step in any development process, whether it's a mobile app, a website, or a physical product. Gemini, Google's multimodal AI, stands out for its ability to understand complex briefs and generate functional prototypes with remarkable precision. Thanks to its native integration with the Google ecosystem and advanced code understanding, Gemini can transform a simple text description into an interactive prototype in minutes. Whether you're a designer looking to quickly validate a concept, a developer wanting to iterate on an interface, or an entrepreneur wanting to present a mockup to investors, Gemini significantly accelerates the prototyping phase. The AI particularly excels at generating web prototypes (HTML/CSS/JavaScript), detailed wireframes, and functional mockups. By formulating a structured prompt that clearly defines objectives, constraints, and target audience, you'll get a coherent and professional prototype, ready to be tested and iterated. Here are the optimized prompts to fully leverage Gemini's prototyping capabilities.

044
πŸ’»DeveloppementIntermediateChatGPT

Prompt ChatGPT to Create E2E Tests

End-to-end (E2E) tests are essential to ensure an application works as a whole, but writing them is often time-consuming and repetitive. ChatGPT can significantly speed up this process by generating complete test scenarios covering critical user paths, edge cases, and necessary assertions. Whether you use Cypress, Playwright, Selenium, or any other framework, AI can produce structured and maintainable tests from a simple functional description. The challenge is to provide a sufficiently precise prompt to obtain realistic tests that follow best practices (stable selectors, async handling, test isolation) and integrate directly into your CI/CD pipeline. In this guide, you'll find an optimized main prompt along with variants adapted to your expertise level, to turn your functional specifications into robust E2E test suites in seconds.

031
πŸ’»DeveloppementIntermediateAll AIs

Stable Diffusion Prompt for Code Refactoring

Stable Diffusion, known for its powerful image generation, may seem a surprising choice for code refactoring. In reality, this association is a creative approach: using Stable Diffusion to generate architectural visualizations of your code, flow diagrams, or visual representations of software structures before and after refactoring. These visual renderings help development teams better understand module dependencies, identify areas of excessive complexity, and communicate proposed changes more effectively. By generating clear conceptual diagrams, you transform an abstract process into something tangible and shareable. This method is particularly useful during team code reviews, technical presentations, or legacy project documentation. The prompt below guides you to create relevant visualizations that support and facilitate your refactoring process, making visible what is usually hidden in lines of code.

029
πŸ’»DeveloppementAdvancedAll AIs

Prompt to Implement Real-Time WebSockets

A complete prompt to design and implement a real-time WebSocket architecture with connection management, authentication, scalability and monitoring.

02
πŸ’»DeveloppementAdvancedAll AIs

Prompt to Create a VS Code Extension with AI

This prompt guides AI to create a complete VS Code extension, from project initialization to Marketplace publishing, covering architecture, tests and API integration.

08
πŸ’»DeveloppementIntermediateAll AIs

Generate Software Architecture Diagrams with AI

Generate professional software architecture diagrams in Mermaid, PlantUML or D2 from a functional description of your system.

024
πŸ’»DeveloppementIntermediateAll AIs

Create a Complete Code Review Checklist for Your Project

A prompt to generate an exhaustive code review checklist, adapted to your tech stack and business context, with concrete examples.

058
πŸ’»DeveloppementAdvancedAll AIs

Automate Database Migrations with AI

A comprehensive prompt to generate automated database migration scripts with rollback, validation, CI/CD integration and zero-downtime strategy.

043
πŸ’»DeveloppementIntermediateAll AIs

Create a Professional Node.js CLI Tool from A to Z

A prompt to generate a complete Node.js command-line tool, from architecture to npm deployment, with argument handling, colors and configuration.

064
πŸ’»DeveloppementAdvancedAll AIs

Master Advanced TypeScript Types with AI

A prompt to generate advanced TypeScript types (generics, mapped types, conditional types) with documentation and built-in type tests.

080
πŸ’»DeveloppementIntermediateAll AIs

Analyze Your Code Algorithmic Complexity Like an Expert

This prompt provides a complete analysis of source code algorithmic complexity, with Big O notation, bottleneck identification and concrete optimization recommendations.

0104
πŸ’»DeveloppementAdvancedAll AIs

Create a Complete Automated CI/CD Pipeline

This prompt generates a complete, customized CI/CD pipeline for your stack, covering build, tests, security and multi-environment deployment.

099

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