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Free AI Prompt Library - ChatGPT, Claude, Gemini

Library of 345 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 345 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 229-240 of 345 prompts

🎨CreativiteIntermediateAll AIs

User journey map

Visualize and improve the user experience

051
🎨CreativiteBeginnerAll AIs

Typography Style Guide

Define the typographic system

050
🎨CreativiteIntermediateAll AIs

Design Principles for the Team

Defining the team's design culture

041
🎨CreativiteAdvancedAll AIs

Micro-interactions and Animations

Creating memorable interactions

058
🎨CreativiteIntermediateAll AIs

Design System Contribution Guide

Governing the design system

048
🎨CreativiteBeginnerAll AIs

Structured Feedback for the Design Team

Giving effective design feedback

040
🎨CreativiteIntermediateAll AIs

Questionnaire Survey Design

Quantitative Survey

053
🎨CreativiteIntermediateAll AIs

GitHub Copilot Prompt for Creating a Media Kit

GitHub Copilot, the AI-powered coding assistant, is not limited to writing code. With its structured content generation capabilities, it becomes a valuable ally for creating a professional media kit directly in your development environment. Whether you are a content creator, startup, or agency, a well-designed media kit is essential to attract partnerships and showcase your key metrics. By using GitHub Copilot in a Markdown, HTML, or JSON file, you can quickly generate a complete structure including your bio, audience statistics, pricing, and past collaborations. The major advantage lies in Copilot's ability to understand the context of your project and suggest relevant sections tailored to your domain. This guide provides optimized prompts to fully leverage Copilot in creating a media kit that converts, with variants based on your expertise level and specific needs.

026
🎨CreativiteIntermediateAll AIs

Sora Prompt for Creating a Brand Style Guide

Sora, OpenAI's video and visual generation model, opens up unprecedented possibilities for creating brand style guides. Traditionally reserved for experienced designers mastering tools like Adobe Illustrator or Figma, designing a cohesive visual identity can now be initiated thanks to artificial intelligence. By formulating a precise prompt, you can generate inspiration boards, harmonious color palettes, typographic proposals, and visual elements that form the foundation of a professional style guide. Sora's advantage lies in its ability to produce visually consistent outputs, which is essential for a unified brand identity. Whether you are an entrepreneur launching your project, a marketing manager looking to refresh your image, or a designer seeking to accelerate your ideation phase, the prompts on this page will guide you step by step. You will learn how to structure your instructions to obtain usable results: from color selection to defining the visual tone, including variations across different media. The goal is to transform an abstract vision into concrete and coherent graphic elements.

031
🎨CreativiteIntermediateGemini

Prompt Gemini for Creating YouTube Thumbnails

YouTube thumbnails are the first visual element that captures viewers' attention in their recommendation feed. A striking thumbnail can multiply a video's click-through rate by 3 or 4. With Gemini, Google's multimodal AI, you can now generate professional thumbnail concepts in seconds. Gemini excels at understanding visual context and can produce images that follow YouTube's graphic codes: readable large text, marked facial expressions, strong color contrasts, and guiding compositions. Whether you're a beginner creator without design skills or a seasoned YouTuber looking to speed up your workflow, the prompts on this page will let you generate thumbnails that rival those of the biggest channels. You'll learn how to structure your instructions to get 1280x720 pixel thumbnails with the right balance between textual and visual elements, while following best practices that maximize click-through rates on the platform.

064
🎨CreativiteIntermediateAll AIs

GitHub Copilot Prompt for Generating Ad Visuals

GitHub Copilot, the AI-powered coding assistant, goes beyond traditional code generation. It can also help you create advertising visuals by generating code for graphics libraries, SVG templates, styled React components, or automation scripts for design tools. Whether you're developing web banners in HTML/CSS, dynamic visuals with Canvas API, or reusable templates for your marketing campaigns, Copilot significantly accelerates the creative process. By providing a structured prompt describing the format, visual style, color palette, and desired advertising message, you get ready-to-use code that produces professional visuals. This approach is particularly powerful for teams that need to quickly create multiple ad creatives in various formats and variations while maintaining visual consistency across campaigns. Discover how to formulate your prompts to get the most out of Copilot in creating impactful ad visuals.

030
🎨CreativiteIntermediateAll AIs

GitHub Copilot Prompt for Creating Instagram Stories

GitHub Copilot, the AI-powered coding assistant, is not limited to traditional code writing. It also excels at generating visual components and templates for social media, especially Instagram Stories. By leveraging its HTML/CSS, SVG, and creative code generation capabilities, you can produce professional Story designs directly from your code editor. Whether you are a developer looking to automate visual content creation for clients, a community manager wanting to streamline Story production, or an entrepreneur aiming to maintain a consistent visual identity, GitHub Copilot transforms your creative workflow. The code-based approach offers a major advantage: reproducibility. Unlike manual design tools, each Story generated via Copilot can be parameterized, versioned, and mass-produced. This guide provides optimal prompts to fully harness GitHub Copilot in creating impactful Instagram Stories, with responsive templates at 1080x1920 pixels, fluid CSS animations, and mobile-adapted typography.

060

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