Free AI Prompt Library - ChatGPT, Claude, Gemini
Library of 4108 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 4108 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 4045-4056 of 4108 prompts
Write a Compelling 30-Second Elevator Pitch
Generates 3 elevator pitch versions (30s, 60s, email) with explanations of each rhetorical choice and 5 alternative hooks.
Apply Porter Five Forces to a Sector
Analyzes Porter Five Forces applied to a sector with intensity levels, trends and strategic recommendations.
Complete a Full Business Model Canvas
Produces a detailed Business Model Canvas across 9 blocks with an analysis of risky assumptions to validate.
Conduct an In-Depth SWOT Analysis
Produces a detailed SWOT analysis with at least 5 elements per quadrant and an actionable strategic synthesis.
Configure ESLint and Prettier for a JavaScript Project
Configures ESLint and Prettier completely with ESLint v9 flat config, VS Code integration, Husky Git hooks and CI pipeline, adapted to the framework and team style.
Prepare for a Technical Algorithm Interview
Simulates a complete technical interview on an algorithmic problem: clarification, brute force, optimization, commented code, complexity and identified patterns.
Build a Complete Node.js CLI Tool
Generates the complete structure of a professional Node.js CLI with Commander.js, polished UX (colors, spinners), configuration, error handling, tests and npm publishing.
Convert a JavaScript File to TypeScript
Converts JavaScript code to TypeScript with strict types, typing choice explanations, tsconfig configuration and progressive migration plan for a larger codebase.
Build SQL Queries for an Analytics Dashboard
Generates complete analytical SQL queries for a dashboard: KPIs, trends, cohorts, funnels and segmentation, optimized for large volumes.
Implement Secure JWT Authentication
Implements a complete, secure JWT system with refresh tokens, revocation, CSRF protection and secure storage, with justification for each security choice.
Write a Complete README for an Open-Source Project
Writes a complete, professional open-source README with badges, quickstart guide, code examples, roadmap and contribution guide.
Set Up Application Monitoring and Observability
Designs a complete observability strategy following the 3 pillars (logs, metrics, tracing) with configuration, OpenTelemetry instrumentation, alerts and dashboards.