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 145-156 of 397 prompts
Improve Test Coverage
Strategically increase test coverage
Security Code Review
Audit code for common security vulnerabilities
E2E Tests with Playwright
Automate testing of critical user journeys
Integration Testing for REST APIs
Test API endpoints under real-world conditions
Writing comprehensive unit tests
Writing exhaustive unit tests for a function
Fix Failing Tests
Analyze and fix failing automated tests
Debug a Slow SQL Query
Optimizing Database Query Performance
Analyze a JavaScript stack trace
Quickly understand and resolve JavaScript errors
ESLint and Prettier Configuration
Standardize code quality and style as a team
Express Middleware with Authentication
Securing API routes with JWT authentication
Create a complete REST API
Quickly bootstrap a new API endpoint
User Test Report
Communicate user testing results