Free AI Prompt Library - ChatGPT, Claude, Gemini

Gemini Prompt for Grading Assignments

Grading papers is one of the most time-consuming tasks for teachers, trainers, and professors. Between essays, exams, and homework assignments, entire hours are spent evaluating, annotating, and writing personalized comments. Gemini, Google's artificial intelligence model, offers a powerful solution to speed up this process without sacrificing the quality of educational feedback. Thanks to its ability to analyze long texts, identify recurring errors, and formulate constructive assessments, Gemini becomes a remarkably efficient grading assistant. Whether you teach middle school, high school, or higher education, a well-structured prompt allows you to obtain a detailed evaluation covering content, form, spelling, and methodology. The goal is not to replace your pedagogical expertise, but to provide you with a comprehensive initial analysis that you can refine and validate. You retain full control over the final grade and the comments conveyed to students. This approach saves you considerable time while ensuring more consistent and detailed feedback for each paper.

Midjourney Prompt for Creating Infographics

Infographics have become an essential communication tool for distilling complex data into striking visuals. With Midjourney, you can generate professional-looking infographic bases in seconds, something that would take a graphic designer several hours. Whether you're a content creator, marketer, or entrepreneur, mastering Midjourney prompts for infographics gives you a considerable edge. The AI excels at creating structured layouts, consistent icons, and harmonious color palettes. However, it's crucial to understand that Midjourney generates infographic visuals—the text and numerical data will need to be added or corrected in post-production using a tool like Canva or Figma. This guide provides you with optimized prompts to get clear, modern infographic structures ready for customization. You will discover how to control style, layout, and visual hierarchy to produce usable results right from the first generation.

Perplexity Prompt to Create a Sales Funnel

Perplexity is an AI-powered research tool that is particularly powerful for designing effective sales funnels. Unlike traditional generative models, Perplexity relies on verified and up-to-date web sources, allowing you to obtain recommendations rooted in market best practices. Whether you are launching a digital product, a coaching service, or an e-commerce offer, creating a structured sales funnel is essential to convert visitors into customers. By using Perplexity, you can analyze conversion strategies that work in your niche, identify key stages of the customer journey, and generate a complete funnel architecture tailored to your offer. The major advantage lies in Perplexity's ability to cross-reference recent data on conversion rates, available tools, and proven frameworks like AIDA or StoryBrand. This guide provides an optimized prompt to get a complete sales funnel, step by step, with concrete recommendations on copywriting, pages to create, and email sequences to implement.

Midjourney Prompt to Optimize a Conversion Rate

Midjourney has become an essential tool for marketers and designers looking to maximize their conversion rates. By generating impactful visuals tailored to each stage of the sales funnel, you can capture your visitors' attention and guide them toward the desired action. Whether creating hero images for a landing page, product visuals that inspire trust, or illustrations that reinforce your value proposition, Midjourney enables you to quickly produce professional-quality visual assets. Conversion rate optimization heavily relies on the first visual impression: a poorly chosen image can drive a prospect away in under three seconds, while a carefully crafted visual can double your click-through rate. In this guide, we offer Midjourney prompts specifically calibrated to generate high-conversion visuals, leveraging principles of visual psychology, attentional hierarchy, and persuasive design. Each prompt incorporates optimized technical parameters to produce images directly usable in your marketing campaigns, sales pages, and digital ads.

Midjourney Prompt for Creating a Presentation

Midjourney is a powerful tool for generating striking visuals that transform your professional presentations. Instead of being limited to generic stock images or standard PowerPoint templates, you can create custom illustrations, consistent backgrounds, and unique graphic elements that capture your audience's attention. Whether you're preparing a pitch deck for investors, an internal presentation, or training materials, Midjourney lets you produce visuals aligned with your brand identity and message. The main challenge is maintaining visual consistency across all slides: same color palette, same graphic style, same level of detail. A good Midjourney prompt for a presentation must therefore specify not only the image subject, but also the artistic style, the slide-appropriate format, the dominant colors, and the desired mood. In this guide, you'll find an optimized main prompt along with variants suited to your level of expertise, to create visually memorable presentations that enhance your credibility and make your key ideas easier to understand.

DALL-E Prompt to Create a Marketing Plan

DALL-E, the AI image generation tool developed by OpenAI, offers remarkable creative capabilities to visualize and structure a marketing plan. Rather than starting from a blank page, you can use DALL-E to create impactful infographics, visual strategic diagrams, illustrated mind maps, or conceptual dashboards that bring your marketing strategy to life. These visuals serve both as thinking tools to clarify your approach and as presentation materials to convince your teams or clients. By formulating precise prompts, you get professional graphic representations of your customer journeys, conversion funnels, editorial calendars, or competitive analyses. The major advantage lies in the speed of execution: in just a few seconds, you have a quality visual that would have required hours of work with traditional design software. This guide provides optimized prompts to transform your marketing ideas into clear, aesthetic strategic visuals directly usable in your presentations and internal documents.

Sora Prompt for Creating Personas

Sora, OpenAI's video generation model, opens up fascinating possibilities for creating realistic visual personas. Whether you are a UX designer, marketer, or content creator, the ability to generate videos of fictional yet credible characters radically transforms the user-centered design process. Rather than relying on generic stock images, Sora allows you to bring your personas to life with video sequences showing their behaviors, daily environments, and interactions with products or services. This immersive approach helps product teams develop deeper empathy for their target users. By combining detailed descriptions of demographic, psychographic, and behavioral characteristics, you obtain video representations that make your personas tangible and memorable. This guide offers optimized prompts to fully leverage Sora in persona creation, from simple demographic profiles to complete narrative staging of your typical user in their real usage context.

Gemini Prompt for Proofreading a Text

Text correction is one of the tasks where Gemini excels, thanks to its deep understanding of French and its grammatical subtleties. Whether you are a copywriter, student, professional, or simply concerned about the quality of your writing, using Gemini to proofread a text lets you quickly identify spelling, grammar, conjugation, and syntax errors that often slip through human re-reading. Unlike conventional automatic proofreaders, Gemini doesn't just flag mistakes: it understands the context of your sentences, detects stylistic awkwardness, and suggests natural rephrasings. The tool can handle long texts, respect your authorial intent, and adapt to the desired language register. To get the best results, it is essential to structure your prompt precisely, indicating the type of correction expected, the target language level, and the desired output format. Here is an optimized prompt to make the most of Gemini for proofreading your French texts.

Sora Prompt for Debugging Code

Sora, OpenAI's video generation model, may seem like a surprising choice for debugging code. Yet its ability to produce dynamic visualizations opens up unique perspectives for understanding and resolving complex bugs. By generating visual representations of execution flow, data structures, or interactions between components, Sora allows developers to literally see their code's behavior. This visual approach is particularly effective for bugs related to user interfaces, animations, state transitions, or rendering issues. Instead of sifting through endless logs, you can ask Sora to create a video illustrating expected versus observed behavior, making problem identification easier. The prompts on this page guide you in using Sora for debugging, turning textual bug descriptions into clear visualizations that accelerate resolution. Whether you're working on front-end, visual algorithms, or complex data flows, these techniques help you adopt a visual debugging approach.

Perplexity Prompt for Creating Mockups

Perplexity AI, with its real-time search and information synthesis capabilities, becomes a valuable ally for creating mockups. Unlike traditional design tools, Perplexity allows you to generate detailed mockup descriptions, identify current UX/UI best practices, and structure your wireframes before even opening Figma or Adobe XD. By crafting precise prompts, you get complete specifications including visual hierarchy, interface components, color systems, and typography tailored to your project. The tool particularly excels at finding visual references, analyzing current design trends, and generating recommendations based on concrete data. Whether you are designing a mobile app, a SaaS dashboard, or a landing page, Perplexity transforms your initial brief into a structured and actionable visual specification, significantly reducing the time from ideation to the first design iteration.

Perplexity Prompt for Writing a Professional Bio

Writing a compelling professional bio is a delicate exercise that requires finding the right balance between credibility, personality, and relevance. Perplexity stands out from other AI tools for this task thanks to its unique real-time search capability: it can verify your accomplishments, contextualize your background against industry standards, and draw inspiration from current best writing practices. Unlike a simple text generator, Perplexity cross-references reliable sources to produce a factual and impactful bio. Whether you need a bio for LinkedIn, a corporate website, a conference, or an application, a well-structured prompt yields text that authentically reflects your expertise while capturing the attention of your target audience. The challenge is to provide enough context about your background, positioning, and desired tone so that Perplexity generates a ready-to-use bio, free from the generic phrasing too often found in professional profiles.

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.