Free AI Prompt Library - ChatGPT, Claude, Gemini

Claude Prompt to Optimize a Conversion Rate

Conversion rate optimization (CRO) is a major strategic lever for any online business. Every percentage point gained on your conversion rate can mean thousands of euros of additional revenue, without increasing your acquisition budget. Claude excels at analyzing user journeys, identifying friction points, and formulating actionable recommendations. Unlike a purely analytical data-driven approach, Claude can combine behavioral analysis with principles of cognitive psychology, persuasive copywriting, and UX design to produce a comprehensive audit and prioritized A/B test hypotheses. Whether you're looking to improve the conversion rate of a landing page, a sales funnel, an e-commerce product page, or a signup form, Claude structures its analysis around proven frameworks such as WiderFunnel's LIFT model or Cialdini's heuristics. The result: a concrete action plan, prioritized by potential impact and ease of implementation, that your team can execute immediately.

Midjourney Prompt for Creating YouTube Thumbnails

YouTube thumbnails are the first point of contact between your video and potential viewers. An impactful thumbnail can multiply your click-through rate by 2 or 3, making it the most strategic visual element of your channel. Midjourney, with its ability to generate ultra-realistic and visually striking images, has become the go-to tool for content creators who want to produce professional thumbnails without graphic design skills. By mastering the right prompts, you can create thumbnails that instantly capture attention in a crowded YouTube feed. The challenge is to combine contrasting colors, strong facial expressions, readable text, and a composition that guides the eye, all in a 16:9 format optimized for both mobile and desktop viewing. Whether you're a solo creator or a production team, well-constructed Midjourney prompts let you generate dozens of variations in minutes, test different visual styles, and find the thumbnail that will maximize your views. Here are the most effective prompts to transform your YouTube thumbnail creation workflow.

GitHub Copilot Prompt for Creating an Interactive Tutorial

GitHub Copilot has become an essential assistant for developers looking to create engaging learning experiences. When it comes to designing an interactive tutorial, Copilot excels at generating structured educational components: practical exercises with real-time validation, integrated quizzes, embedded code editors, and step-by-step progression systems. By formulating a precise prompt, you can obtain a complete tutorial architecture including navigation between sections, persistence of learner progress, and instant feedback mechanisms. Whether you are developing a tutorial to teach a programming language, a JavaScript library, or a complex technical concept, GitHub Copilot allows you to go from idea to functional prototype in minutes. The main challenge lies in the quality of the prompt: a too vague prompt will produce a simple static document, while a well-structured prompt will generate a true interactive learning environment with auto-corrected exercises, progressive hints, and an adaptive path. Discover how to fully leverage Copilot to transform your educational content into immersive experiences.

DALL-E Prompt for Drafting Terms of Use

Drafting Terms of Use (TOU) is an essential legal step for any website or application. While DALL-E is primarily an image generation tool, it proves highly valuable in this context by creating explanatory visuals, infographics, and illustrations that make your TOU more accessible and understandable for your users. TOU are often perceived as tedious documents that no one reads. By incorporating visual elements generated by DALL-E—icons representing each section, diagrams illustrating rights and obligations, or infographics summarizing key points—you transform a dry legal document into an engaging user experience. This visual approach improves transparency, strengthens user trust, and may even reduce disputes by making clauses easier to understand. DALL-E allows you to quickly produce custom illustrations tailored to your brand guidelines without needing a designer. Discover how to leverage this tool to visually accompany your TOU and finally make them readable.

Stable Diffusion Prompt to Optimize Conversion Rate

Stable Diffusion is revolutionizing the way marketers and designers create conversion-oriented visuals. By generating tailored images — hero banners, product shots, interface illustrations — you can quickly test visual hypotheses without needing a photographer or graphic designer. Conversion rate optimization (CRO) relies heavily on visual impact: a striking hero image, an authentic testimonial visual, or a compelling product showcase can turn a hesitant visitor into a customer. With Stable Diffusion, you can produce dozens of variations in minutes, enabling large-scale visual A/B tests. This prompt was designed to generate high-quality, professional, action-oriented visuals perfectly suited for landing pages, product pages, and sales funnels. It incorporates principles of visual psychology that influence purchase decisions: contrast, gaze directed toward the CTA, positive emotion, and clarity of the value proposition. Whether you're optimizing an e-commerce store, a SaaS page, or an ad campaign, this prompt gives you a strong starting point to create visual assets that convert.

Midjourney Prompt for Optimizing Ads

Midjourney has become an essential tool for marketing teams and creatives looking to produce high-impact ad visuals without mobilizing a substantial photo budget. Thanks to its ability to generate photorealistic images, sophisticated product staging, and visual compositions aligned with the codes of major campaigns, Midjourney enables rapid iteration on creative concepts even before launching a production. Whether you're designing display banners, social media visuals, or creatives for Meta Ads campaigns, a well-structured prompt makes all the difference between an amateur visual and an image that captures attention and generates clicks. Ad optimization involves testing multiple visual angles: moods, framing, color palettes, photographic styles. Midjourney excels at this fast exploration, allowing you to produce in minutes what would take hours in a studio. This guide offers an optimized main prompt as well as variants suited to your level, to turn Midjourney into a true machine for creating high-performing ads.

GitHub Copilot Prompt for Interview Preparation

GitHub Copilot, the AI development assistant integrated into code editors, can become a formidable ally for preparing technical or professional interviews. By leveraging its code and text generation capabilities, you can simulate interview questions, structure your answers using the STAR method, generate coding exercises in real conditions, and anticipate classic recruiter traps. Whether you are preparing for an interview as a developer, data scientist, or technical project manager, Copilot helps you organize your ideas, formulate impactful responses, and practice on practical cases. The key advantage lies in its ability to contextualize questions according to the target position, the company's tech stack, and your experience level. Rather than browsing generic lists of questions online, you get a personalized preparation program directly in your work environment. This approach allows you to combine technical review and interview simulation in a unified workflow, maximizing your preparation time.

Sora Prompt to Create an FAQ

Sora, the artificial intelligence model developed by OpenAI, is primarily known for its ability to generate videos from text descriptions. However, its content understanding and generation capabilities also make it a valuable tool for structuring visually engaging FAQ pages. By combining text and visual elements, Sora turns a simple list of questions and answers into dynamic, memorable content. Whether you want to create an FAQ for an e-commerce site, a SaaS application, or customer service, using well-crafted prompts with Sora delivers professional results in a fraction of the usual time. The key lies in precisely formulating your instructions: a detailed prompt ensures a clear, hierarchical FAQ tailored to your target audience. In this guide, we provide an optimized main prompt along with several variants based on your expertise level, to fully leverage Sora's potential in creating structured and visually appealing FAQ content.

Mistral Prompt for Creating Flashcards

Mistral, the French language model, excels at creating structured educational flashcards. Whether you're preparing for an exam, learning a new language, or reviewing technical concepts, Mistral can generate perfectly calibrated question-and-answer cards for active recall. Thanks to its deep understanding of French and its ability to synthesize information, it produces flashcards that adhere to spaced repetition principles: precise questions, concise answers, and relevant mnemonic hints. Mistral's advantage lies in its ability to adjust difficulty levels, vary question formats (multiple choice, fill-in-the-blank, matching), and organize cards by theme or increasing difficulty. In seconds, you get a complete deck ready to import into Anki, Quizlet, or any other review tool. This guide offers optimized prompts to get the most out of Mistral for creating flashcards, whatever your field of study.

Stable Diffusion Prompt for Writing a Sales Page

Stable Diffusion is an artificial intelligence image generation tool that is revolutionizing the creation of marketing visuals. In the context of a sales page, images play a determining role in conversion: they capture attention, reinforce credibility, and trigger the buying emotion. With Stable Diffusion, you can produce custom professional visuals — product photos, lifestyle situations, hero banners, benefit illustrations — without resorting to a photographer or generic stock image banks. The major advantage lies in total personalization: each visual is designed to match exactly your positioning, your target audience, and the tone of your offer. Whether you are selling an online training course, a physical product, or a B2B service, Stable Diffusion allows you to create images that tell the story of your customer transformation. This guide provides you with optimized prompts to generate the key visuals of a high-converting sales page, from the hero shot to testimonial illustrations, including bonus visuals and graphic call-to-actions.

Midjourney Prompt to Optimize SEO

Midjourney has become an essential tool for SEO professionals who want to enrich their visual content without blowing their budget. Search engines increasingly value pages with original and relevant images, to the detriment of overused generic stock photo banks. By generating unique visuals with Midjourney, you improve time on page, reduce bounce rate, and increase your chances of appearing in Google Images — a source of organic traffic often overlooked. Image SEO optimization involves creating contextual visuals that reinforce content understanding by users and indexing robots. A well-crafted Midjourney prompt allows you to produce blog illustrations, stylized infographics, featured images, and explanatory diagrams that capture attention in SERPs. By combining precise descriptions, web-adapted format parameters, and visual consistency with your brand guidelines, you turn each image into a natural search engine optimization lever. This guide provides optimized prompts for creating visuals that directly serve your SEO strategy.

DALL-E Prompt for Analyzing User Feedback

DALL-E, OpenAI's image generation model, provides a unique visual approach for transforming user feedback into actionable graphical representations. Instead of limiting itself to text analysis, DALL-E enables the creation of infographics, sentiment maps, stylized word clouds, and visual dashboards that summarize customer feedback in an instantly understandable way. This approach is particularly valuable for product, UX, and marketing teams who need to communicate insights to non-technical stakeholders. By generating impactful visuals from qualitative data, you facilitate decision-making and make trends visible at a glance. Whether you want to illustrate sentiment distribution, highlight recurring friction points, or create an impactful presentation asset, DALL-E transforms your raw data into visual storytelling. This guide accompanies you with optimized prompts to fully leverage this capability, from simple word clouds to complete analytical infographics.