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
Prompt ChatGPT for Creating YouTube Thumbnails
YouTube thumbnails are the first visual element your viewers see before clicking on a video. An eye-catching thumbnail can make the difference between a skipped video and viral content. ChatGPT becomes a powerful ally for designing impactful thumbnails by helping you structure your visual ideas, generate creative concepts, and write hook text that maximizes click-through rate. Whether you're a beginner creator or an experienced YouTuber, using ChatGPT to brainstorm and plan your thumbnails saves you considerable time while maintaining visual consistency across your channel. The AI can analyze trends in your niche, suggest proven visual compositions, propose optimal color palettes, and formulate short texts with strong emotional impact. By combining ChatGPT with graphic design tools like Canva, Photoshop, or AI image generators, you get a complete workflow to produce professional thumbnails that stand out in the YouTube feed. Discover how to transform your ideas into irresistible thumbnails using optimized prompts.
DALL-E Prompt for Creating Images
DALL-E, developed by OpenAI, is one of the most powerful AI image generators available today. Capable of transforming a simple text description into a detailed and original image, DALL-E opens up immense creative possibilities for designers, marketers, content creators, and entrepreneurs. The key to achieving exceptional results lies in the quality of the prompt: the more precise and structured your description, the more the generated image will match your vision. A good DALL-E prompt combines several essential elements: the main subject, the desired artistic style, lighting, composition, dominant colors, and overall mood. Mastering the art of prompting for DALL-E will allow you to produce professional visuals without graphic design skills, whether for blog illustrations, advertising visuals, artistic concepts, or product mockups. This guide provides an optimized prompt and its variants to create striking images with DALL-E.
Sora Prompt for Creating a Logo
Sora, OpenAI's video generation model, offers impressive visual capabilities that can be leveraged for creating animated logos and visual identity sequences. Although Sora is primarily designed for video, its rendering engine understands graphic design concepts, typography, and visual composition with remarkable precision. By crafting tailored prompts, you can generate professional logo animations, cinematic brand reveals, or motion designs that would otherwise require hours of work in After Effects. Sora's advantage lies in its contextual understanding: it can interpret instructions about style, colors, textures, and movement to produce consistent results. Whether you are an entrepreneur seeking an animated logo for your startup, a designer wanting to quickly explore creative directions, or a content creator needing a striking video intro, Sora transforms your vision into a logo animation in seconds. This guide provides optimized prompts to get the most out of Sora for logo creation.
ChatGPT Prompt to Create Instagram Stories
Instagram Stories have become an essential tool for capturing your audience's attention. With over 500 million users viewing stories daily, mastering this format is key to any digital communication strategy. ChatGPT allows you to structure your stories strategically: from choosing the opening hook to the final call to action, including the narrative sequencing that maintains engagement slide after slide. Instead of posting improvised stories that go unnoticed, you can now plan coherent sequences that tell a story, educate your audience, or trigger a conversion. AI helps you vary formats (polls, quizzes, text on background, tip carousel), write compelling hooks, and structure thematic series over several days. Whether you are a content creator, community manager, or entrepreneur, these prompts turn ChatGPT into an editorial director for your stories, capable of producing complete scripts with visual guidance, display texts, and interactions to maximize your retention rate and DM responses.
GitHub Copilot Prompt for Creating UI Design
GitHub Copilot, GitHub's AI-powered code assistant, has become an essential tool for developers looking to speed up their user interface creation workflow. Whether you're working with React, Vue, Tailwind CSS, or plain HTML/CSS, Copilot can generate complete UI components, responsive layouts, and consistent design systems directly in your editor. The main challenge lies in the quality of the prompt: a vague prompt will produce a generic component, while a structured prompt with precise constraints—target framework, design tokens, accessibility, responsive breakpoints—will generate production-ready code. In this guide, we offer optimized prompts to get the most out of Copilot in your UI design projects, covering both isolated component creation and full design system setup. Each prompt has been tested and refined to produce immediately usable results, with clean, semantic code that meets modern frontend development standards.
Stable Diffusion Prompt for Creating Instagram Stories
Instagram stories have become an essential communication channel for brands, creators, and entrepreneurs. With over 500 million daily users, this ephemeral vertical format demands striking visuals capable of capturing attention in under two seconds. Stable Diffusion offers a powerful solution for generating unique, professional visuals tailored to the 9:16 story format. Unlike generic stock image libraries, generative AI allows you to create custom compositions that perfectly reflect your visual identity. Whether you want to produce stylized backgrounds, original illustrations, or product staging, Stable Diffusion gives you full creative control over every element. By mastering the right prompts, you can generate visuals in seconds that would have required hours of work in traditional design software. This guide provides optimized and tested prompts for producing Instagram stories that stand out in your followers' feed, with variants suited for every skill level.
Mistral Prompt for Creating YouTube Thumbnails
Mistral, the French AI model, offers remarkable capabilities to assist you in creating high-impact YouTube thumbnails. Although Mistral is a language model and does not directly generate images, it excels at designing detailed visual briefs, writing optimized prompts for image generation tools like Midjourney or DALL-E, and defining visual strategies tailored to your audience. Using Mistral as a creative assistant, you can structure your thumbnail ideas, obtain precise descriptions of visual compositions, choose the most impactful color palettes, and write hook texts that will maximize your click-through rate. Whether you are a beginner creator or an established YouTuber, Mistral helps you systematize your thumbnail creation process to produce visuals consistent with your brand identity while respecting best practices that make a difference in the YouTube algorithm.
GitHub Copilot Prompt for Creating Infographics
GitHub Copilot, the AI-powered coding assistant, proves to be a formidable ally for generating SVG, HTML, and CSS code to create visually impactful infographics. Instead of starting from a blank page in a design tool, you can precisely describe the desired structure, data, and style directly in your code editor. Copilot then generates the necessary markup — from bar charts to timelines, flow diagrams, and statistical compositions. This programmatic approach offers several advantages: reproducibility, versioning via Git, dynamic data customization, and export in multiple formats. Whether you are a developer looking to integrate visuals into technical documentation, a marketer creating communication materials, or a data analyst seeking to make your data readable, GitHub Copilot transforms your textual descriptions into structured and aesthetic infographics. The following prompts will guide you to fully leverage this capability, from simple explanatory diagrams to complex multi-section infographics with consistent color palettes and controlled visual hierarchy.
Gemini Prompt to Create a Brand Style Guide
Creating a brand style guide is a fundamental step for any brand wishing to establish its visual identity. Traditionally entrusted to experienced designers, this task can now be greatly facilitated thanks to artificial intelligence. Gemini, Google's multimodal model, excels at structuring complex documents and generating coherent visual recommendations. By using a well-designed prompt, you can obtain a complete style guide including color palette, typography, logo usage rules, iconography, and layout guidelines. Gemini leverages its deep understanding of graphic design principles, color theory, and current trends to produce professional and well-argued recommendations. Whether you are an entrepreneur launching your brand, a designer looking for a solid starting point, or a marketing manager needing to formalize an existing identity, these prompts will save you considerable time while ensuring visual consistency across all your communication materials.
Midjourney Prompt for Creating Mockups
Mockups have become an essential part of the creative process, whether to present a logo on packaging, visualize a website design on a screen, or stage a product in a realistic context. Midjourney revolutionizes this step by generating photorealistic mockups in seconds, without the need for complex PSD files or expensive stock images. Thanks to its advanced understanding of materials, lighting, and perspectives, Midjourney produces professional-quality staging that rivals studio photography. Whether you are a graphic designer presenting a visual identity to a client, an entrepreneur looking to visualize packaging before production, or a marketer creating visuals for a campaign, mastering mockup prompts will save you considerable time. The main challenge lies in the precision of the instructions: type of support, viewing angle, lighting, environment, and level of realism must be carefully described to obtain a usable result. This guide provides optimized and tested prompts for creating compelling mockups with Midjourney, from simple product previews to ultra-realistic renders worthy of a professional shoot.
DALL-E Prompt to Create a Media Kit
A professional media kit is an essential tool for any content creator, influencer or business looking to collaborate with brands. It groups key information about your audience, statistics, services and visual identity in a visually appealing document. With DALL-E, you can generate custom visuals to enrich your media kit: elegant backgrounds, cover illustrations, staged scenes of your products or services, and graphic elements consistent with your brand guidelines. Rather than starting from scratch in a design software, DALL-E lets you quickly create professional visual elements that give your media kit a polished and memorable look. Whether you need a striking cover page, custom icons to illustrate your services, or lifestyle images representing your brand universe, well-crafted prompts will allow you to get consistent and usable results. This guide provides optimized prompts to generate each visual component of your media kit with DALL-E, from beginner to advanced level.
Perplexity Prompt for Creating a Visual Identity Guide
Perplexity is a conversational search tool particularly suited to creating a complete visual identity guide. Thanks to its ability to synthesize information from multiple sources in real time, Perplexity can analyze current design trends, effective color palettes in your sector, and best typography practices. Unlike a standard search engine, Perplexity structures its responses coherently, allowing you to obtain an organized and directly usable visual identity document. Whether you are an entrepreneur creating your visual identity, a designer seeking inspiration, or a marketing manager wanting to formalize your brand guidelines, a well-constructed prompt will enable you to obtain a professional visual identity guide covering all essential aspects: color palette with hexadecimal codes, typographic hierarchy, logo usage rules, visual tone, and applications on various media. Perplexity's augmented search approach ensures that your graphic choices are based on concrete data and current market references.