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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 241-252 of 345 prompts

🎨CreativiteIntermediateChatGPT

ChatGPT Prompt to Generate Advertising Visuals

Creating advertising visuals is a major challenge for any company looking to stand out on social media, display, or print. With ChatGPT and its built-in image generation engine (DALL-E), it is now possible to produce impactful advertising visuals without mastering Photoshop or hiring a graphic designer. The key lies in the quality of the prompt: a precise visual brief, structured like a creative directive, yields professional results on the first generation. Whether you need a Facebook banner, a visual for an Instagram story, a creative for a Meta Ads campaign, or a hero banner for a landing page, prompt engineering applied to image generation transforms your marketing intent into a concrete visual. On this page, you will find an optimized main prompt, its variants by level, and tips for effectively iterating on your advertising creations with ChatGPT.

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🎨CreativiteIntermediateAll AIs

Sora Prompt for Creating a UI Design

Sora, OpenAI's video generation model, opens fascinating perspectives for user interface designers. By leveraging its ability to produce dynamic and realistic visuals, you can now create animated UI mockups, interactive prototypes, and design concepts in seconds. Whether you are a freelance designer looking to speed up your ideation phase, a product manager wanting to quickly visualize a concept, or a front-end developer needing a precise visual reference, Sora transforms your textual description into a compelling visual demonstration. The tool particularly excels at generating smooth transitions between screens, micro-interaction animations, and photorealistic renderings of interfaces on different devices. By mastering the art of prompting Sora for UI design, you significantly reduce the time from initial idea to visual prototype, while exploring creative directions you might never have considered manually. This guide provides you with optimized prompts to achieve professional results from the first generation.

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🎨CreativiteIntermediateAll AIs

Perplexity Prompt for Creating YouTube Thumbnails

YouTube thumbnails are the most decisive element for your video click-through rate. A striking thumbnail can multiply your organic views by 3 or 4. Perplexity, thanks to its real-time search and visual analysis capabilities, becomes a valuable ally for designing thumbnails that grab attention in a crowded feed. Unlike a simple image generator, Perplexity can analyze current trends in high-performing thumbnails in your niche, identify the visual codes that work (colors, typography, compositions), and provide you with concrete recommendations based on recent data. Whether you're a beginner creator looking to understand thumbnail design fundamentals, or an established YouTuber wanting to optimize your CTR, this prompt will give you a complete visual strategy, color palettes adapted to your topic, proven composition suggestions, and catchy text tips. You will get a detailed action plan to create professional thumbnails, even without graphic design skills, by leveraging insights Perplexity pulls from the web in real time.

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🎨CreativiteIntermediateClaude

Claude Prompt for Creating YouTube Thumbnails

YouTube thumbnails are the first visual element viewers see before clicking on a video. An effective thumbnail can double or triple your click-through rate, making it one of the most powerful growth levers on the platform. Claude excels at thumbnail design thanks to its ability to generate precise visual descriptions, balanced compositions, and catchy text tailored to your niche. By using Claude as a creative assistant, you can quickly iterate on thumbnail concepts, get high-contrast color recommendations, structure visual hierarchy, and write short, emotionally impactful text. Whether you are a beginner creator or an established YouTuber, Claude helps you systematize your thumbnail creation process to produce visuals that are consistent with your brand, optimized for mobile, and designed to trigger the click. This guide provides ready-to-use prompts to turn Claude into a true art director for your YouTube thumbnails.

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🎨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.

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🎨CreativiteIntermediateClaude

Claude Prompt for Generating Advertising Visuals

Anthropic's Claude revolutionizes the creation of advertising visuals by enabling marketers, designers, and entrepreneurs to generate detailed visual concepts, complete creative briefs, and image descriptions ready for production. Unlike standard image generators, Claude excels at strategic conceptualization: it analyzes your brand, target audience, and business objectives to produce coherent art directions and visual prompts optimized for image generation tools like DALL-E, Midjourney, or Stable Diffusion. Whether you need banners for your Meta Ads campaigns, visuals for Google Display, creatives for your Instagram stories, or stylized product packshots, Claude structures every visual element with remarkable precision: composition, color palette, typography, visual hierarchy, and call to action. Its analytical approach ensures that each advertising visual serves a specific conversion goal while respecting your brand identity codes. Discover how to leverage Claude to transform your advertising creation process and produce high-impact visuals in a fraction of the usual time.

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🎨CreativiteIntermediateAll AIs

Perplexity Prompt for Creating Instagram Stories

Perplexity stands out from other AI tools with its ability to perform real-time web searches, making it a valuable ally for creating impactful Instagram Stories. Unlike a simple text generator, Perplexity can analyze current trends, high-performing formats, and best practices on Instagram. Whether you are a community manager, entrepreneur, or content creator, using Perplexity to design your Stories saves significant time while producing content aligned with what actually works on the platform. The tool can provide complete scripts, visual ideas, narrative sequences, and even sticker or call-to-action suggestions tailored to your audience. By combining researched information with creative generation, Perplexity helps you overcome writer's block and publish Stories that capture attention from the first slide. Here is an optimized prompt to fully exploit this capability.

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🎨CreativiteIntermediateAll AIs

GitHub Copilot Prompt for Creating Illustrations

GitHub Copilot, initially designed as a programming assistant, proves to be a remarkable tool for generating code to create programmatic illustrations. Whether you want to produce SVG graphics, data visualizations, technical diagrams, or vector illustrations through code, Copilot can assist you at every step. By leveraging libraries such as D3.js, p5.js, Canvas API, or native SVG, you can transform text descriptions into reproducible and customizable illustrations. The major advantage of this approach is scalability: a code-generated illustration can be parameterized, animated, and adapted into variants without extra effort. This guide provides optimized prompts to get the most out of GitHub Copilot for creating illustrations, whether for interface icons, explanatory diagrams for technical documentation, or generative artistic visuals. You will learn how to structure your instructions to achieve precise and professional results from the first generation.

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🎨CreativiteIntermediateAll AIs

Mistral Prompt for Creating Mockups

Mistral, the leading French language model, proves to be a valuable ally for creating interface mockups and wireframes. Whether you are a UI/UX designer, front-end developer, or product manager, Mistral can help you structure your visual ideas, generate HTML/CSS code for rapid prototypes, and describe user interfaces in detail. The advantage of Mistral lies in its nuanced understanding of language and its ability to produce clean, structured code. By formulating precise prompts, you can obtain code-based wireframes, design system specifications, or complete functional descriptions of your screens. This approach dramatically accelerates the ideation and prototyping phase, allowing you to test multiple creative directions in a few minutes rather than several hours. Mistral particularly excels in generating structured textual mockups and front-end code ready to be integrated into your development tools.

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🎨CreativiteIntermediateGemini

Gemini Prompt for Generating Advertising Visuals

Generating advertising visuals is one of the most powerful use cases for Gemini. With its advanced multimodal capabilities, Gemini allows you to create impactful ad images in seconds, where a designer would take hours. Whether you are a marketing manager, entrepreneur, or content creator, mastering the right prompts for Gemini radically transforms your creative workflow. The challenge is not just to ask for an image, but to structure your request to obtain a visual that respects your brand identity, captures your target audience's attention, and drives action. A well-constructed prompt incorporates the product context, the desired visual tone, the technical constraints of the advertising format, and essential composition elements. In this guide, you will discover an optimized main prompt for Gemini, its variants based on your expertise level, and best practices for obtaining professional advertising visuals that convert. Each prompt has been tested and refined to maximize render quality and commercial relevance.

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🎨CreativiteIntermediateAll AIs

DALL-E Prompt to Create Instagram Stories

Instagram stories have become an essential communication channel for brands, content creators, and entrepreneurs. With over 500 million daily users, this ephemeral vertical format demands striking visuals capable of grabbing attention in under two seconds. DALL-E, the artificial intelligence image generator developed by OpenAI, is revolutionizing the creation of these visuals by making it possible to produce custom images without graphic design skills. Whether you want to illustrate a promotion, tell a brand story, or create a cohesive visual series, DALL-E lets you generate visuals in 9:16 format perfectly suited for stories. The main challenge lies in formulating the prompt: a well-structured prompt produces professional and engaging images, while a vague prompt yields generic and unusable results. In this guide, you will discover optimized prompts for creating Instagram stories that capture attention, reinforce your visual identity, and generate engagement. Each variant is designed for a different level of expertise, from the beginner wanting quick results to the expert seeking total creative control over every detail of their visuals.

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🎨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.

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