Free AI Prompt Library - ChatGPT, Claude, Gemini
Library of 397 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 397 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 385-396 of 397 prompts
Create a Complete and Optimized Database Schema
A comprehensive prompt to generate a professional database schema with DDL, relationships, indexes and test data.
Optimize Your Web Application Frontend Performance
A comprehensive prompt to audit and optimize web application frontend performance, covering bundle size, rendering, assets and Core Web Vitals.
Configure an Optimized Dockerfile for Your Application
This prompt generates a production-ready Dockerfile with multi-stage build, security best practices and cache optimization, tailored to your language and framework.
Create Clean and Reusable React Components with AI
A complete prompt to generate typed, accessible, and reusable React components with custom hooks, tests, and modern best practices.
Automate Your Git Commits with AI
This prompt analyzes a Git diff and automatically generates structured commit messages following project conventions, with atomic splitting if needed.
Design a Robust Microservices Architecture
A complete prompt to design a professional microservices architecture covering DDD decomposition, inter-service communication, Kubernetes deployment, and observability.
Generate Complete Technical Documentation for Your Code
A complete prompt to generate structured and professional technical documentation, adapted to the target audience and project type.
Refactor Legacy Code Step by Step
This prompt guides AI to analyze legacy code and produce a structured refactoring plan with diagnosis, prioritization, tests, and modernized code.
Create a Complete REST API from A to Z
A complete prompt to generate a professional REST API with authentication, validation, documentation, and integrated tests.
Optimize Your SQL Queries and Boost Performance
A complete prompt to analyze, diagnose, and optimize your SQL queries with indexing and rewriting recommendations adapted to your database engine.
AI-Assisted Complete Code Review
A complete prompt to get an in-depth code review covering bugs, security, performance, readability, and best practices, with concrete fixes.
Automatically Generate Unit Tests with AI
Automatically generate an exhaustive unit test suite covering nominal cases, edge cases, and error cases for any source code.