On Page Prompt Playground

Prompthero is a website that provides information on prompting techniques for AI models.

GPT‑Prompter is a Chrome extension that brings GPT‑3/4 and ChatGPT API directly into any webpage. It highlights selected text for instant explanations, supports pre‑made and custom prompts, and streamlines drafting for researchers, writers, and developers.

PromptPoint Playground is a no‑code platform for designing, testing, and deploying prompt configurations across hundreds of LLMs. It automates tests, evaluates outputs, offers real‑time monitoring, version control, and supports team collaboration.

PromptSandbox.io is an OpenAI playground for developers and researchers to test, experiment and refine their AI models with pre-trained GPT models, a simple interface, and a community forum.

Pretty Prompt is a Chrome extension that simplifies prompt engineering for AI models. With over 90,000 optimized prompts, it enhances user experience by transforming basic requests into detailed prompts, improving the quality of AI-generated outputs efficiently.

Promptlay is a widely used AI tool platform designed for engineers to manage and track performance. It features visual management templates and API usage monitoring, and has gained trust from over 1,000 engineering teams.

FlowGPT provides a searchable library of themed AI prompts for ChatGPT and similar models, letting users filter by style, role, or purpose. Community contributions and versioning enable prompt refinement, while a leaderboard highlights popular entries.

The Prompt Index centralizes 700+ curated prompts for GPT‑4, Claude 4, Gemini, offering tools like Prompt Generator, Optimizer, AI Humanizer, Skill Generator, and an AI Labs sandbox for testing 300+ models. It supports slide generation, CV building, and collaborative sharing.

Promptsideas is a marketplace offering 13,000 AI prompts for models such as ChatGPT, Gemini, Claude, Stable Diffusion, Midjourney, Leonardo AI, and DALL·E. Users browse, sell, store prompts, and generate social media bios, pitch decks, and character designs.

Prompt Genie is a prompt generator designed to work with ChatGPT and offers unlimited prompt generation without requiring an API key.

Prompt Storm is a Chrome extension that connects to ChatGPT, Gemini, and Claude, offering a library of ready‑made prompts for quick generation of articles, emails, reports, code snippets, summaries, and marketing content.

Prompts.chat is an interactive guide for mastering prompt engineering, offering structured templates and multilingual exercises. Its second edition provides refined techniques and workflows for crafting clear, effective prompts across 17 languages.

PromptBuilder generates and optimizes prompts for ChatGPT, Claude, Gemini and other LLMs, offering 100+ templates (marketing, SEO, coding, support), an optimization engine for model-specific refinement, a searchable prompt library, image-prompt templates and multi-model workflows.

Promptitude centralizes GPT prompt creation, editing, and management for teams, offering a ready‑to‑use library, visual builder, no‑code integration, document reference, multi‑provider support, flow automation, rating, secure sharing, and a unified chat for testing.

Prompt Engineering Institute offers resources for mastering prompt engineering and AI applications, including free courses, tutorials, and community support. Its 5C framework aids in crafting effective prompts and optimizing AI model performance through advanced techniques.

Learn Prompting is a free, open‑source online course teaching prompt engineering for generative AI tools. It covers AI communication principles, advanced techniques such as chain‑of‑thought, security practices, quizzes, projects, community collaboration, workshops, and certificates.

Snack Prompt is a website and Chrome extension that offers prompts for chat interactions with ChatGPT, search capabilities, and a roadmap feature.

Everyprompt is a web‑based playground for GPT models that supports testing, building, and deploying APIs with CI/CD, live dashboards, SQL conversion, automated code review tools, adjustable settings, folder organization, dataset management, and team collaboration.

The ChatGPT Prompt Generator from webutility.io is an online tool that streamlines prompt creation for engaging and insightful conversations with ChatGPT, allowing users to define their desired action, focus, subject, and context.

Promptbase is an AI prompt marketplace with access to high-quality prompts for various industries and use cases. Users can buy, sell, and generate images directly using stabl diffusion technology and receive 5 free credits daily.

16x Prompt is a desktop tool that optimizes chatGPT developers' workflow by creating well-structured prompts for coding tasks, offering features like code formatting instructions, customizable settings, token limit tracking, and prompt enhancement for superior code generation.

PromptPanda centralizes prompt creation, tagging, and storage in a searchable repository. It scores and analyzes prompts, suggests fine‑tuning, lets users set reusable variables, offers a browser extension, and supports secure, collaborative brand‑consistent AI workflows.

PromptFolder manages prompts for ChatGPT, Midjourney, and other AI services via a Chrome extension and web dashboard. It lets users save, edit, organize prompts in folders, track changes, search, and collaborate with real‑time saving and import/export.

PromptPerfect refines prompts for LLMs and image generators, automatically enriching inputs and offering customizable iterations in any language. Its API embeds optimization into workflows, improving output quality, SEO, and code or image generation across marketing, development, and content creatio

Prompt Dress is a Chrome extension that stores and retrieves AI prompts within the browser. It offers tag‑based organization, quick search, inline editing, copy‑to‑clipboard, team sharing via links, and context‑menu integration for efficient prompt access during content creation or coding.

Trickle converts natural‑language prompts into full web apps without coding, using a canvas interface, AI‑guided UI assembly, templates, Gemini 3.0 Pro integration, and export to static sites or cloud. Ideal for designers, developers, and startups.

PromptPort is a decentralized platform that centralizes prompt creation, optimization, and distribution across AI and Web3 ecosystems. It offers a library of 5,000+ curated prompts, an on‑chain optimizer, a marketplace, DAO governance, and multi‑model compatibility.

Public Prompts is a free community hub for AI‑generated creative assets, offering searchable prompt templates for Stable Diffusion, Midjourney, and SDXL across categories like 3D, anime, digital art, and fantasy landscapes. Instant prompt generation and collaborative contributions streamline artisti

gptimageprompt.io is a searchable prompt library with 20+ categories and editable templates using highlighted variables like [subject] and [style] for precise AI image generation control. It offers one-click translation, visual output mapping, and a streamlined pick-edit-generate workflow, suitable

Prompts Club Marketplace offers a searchable library of categorized AI prompts and model templates for creative professionals. Users filter by industry, preview before purchase, download or integrate directly, while creators sell collections and build reputation through community forums.

Promptomania is a prompt hub that lets users browse, build, and generate image, video, 3D, and audio content on platforms like Midjourney, DALL·E, Stable Diffusion, and Studio AI. It offers a builder, template library, and export options for marketing materials.

Promptly AI is a Chrome extension that optimizes prompts for AI models like ChatGPT, enhancing response relevance. Users can save, customize, and securely store prompts for quick access, ensuring efficient and tailored AI interactions.

PromptBox is an AI‑driven platform that lets users create, store, and reuse text prompts across mobile and desktop with cloud sync and team collaboration. It offers unlimited prompt generation, tagging, and keyboard shortcut integration.

Prompty refines user prompts to generate clearer, more accurate AI responses. It accepts an initial query, optimizes it, offers iterative variants, and lets users copy the final prompt, track history, and improve content quality.

PageAI generates production-ready Next.js + TypeScript websites from a single prompt, producing a downloadable codebase, landing pages, MDX blogs, Tailwind/shadcn component library, SEO and performance optimizations, drag-and-drop editing, export and one-click deployments.

Promptaa generates, enhances, and organizes prompts for ChatGPT, Claude, and other generative AI. Create category-based prompts, auto-improve wording and structure, save searchable versioned libraries, share or collaborate, and reuse templates across projects.

PageGPT generates custom landing pages from prompts, producing responsive designs, copy, and images with interactive effects. It auto‑places conversion elements and offers a white‑label API for integration, enabling iterative refinement without drag‑and‑drop editing.

Knit is an AI playground and prompt‑management platform that stores, edits, and runs prompts across multiple models, offering project organization, multi‑editor support, adjustable parameters, automated integration code, versioned histories, and encrypted data.

PromptGather is a curated AI prompt library for video and image generation, offering searchable templates and real examples. It enables direct creation and optimization for major AI models to streamline content workflows for creators and teams.

Coddy.Tech offers free interactive coding lessons across many languages and AI prompt engineering, featuring an in‑browser editor, streak tracking, achievements, AI debugging, a community leaderboard, and certificates for LinkedIn. It runs on iOS, Android, and web.

Prompt Hunt lets users quickly generate AI art using the Chroma model. Its prompt templates, drag‑and‑drop style options, batch creation, and privacy mode streamline workflow for artists, designers, and prompt engineers.

Promptify is an AI tool that generates writing prompts and creative ideas across various domains including literature, culinary, travel and design.

ChatPlayground lets users compare and interact with 40+ AI models from a single interface, offering live web search, conversation history, document import, 100‑plus language support, a prompt library, and GDPR/CCPA‑compliant privacy.

prompt.cafe rapidly creates app concepts by combining 68 ingredient categories, 24 design presets, and 29 tech stacks into ready‑to‑use prompts for code and design. It supports developers, designers, and product managers in quick, structured prototyping.

banana prompts is a searchable prompt library and studio for manga, manhwa, comics, and cinematic generative art, providing exact prompts, model settings, render notes, adaptable templates, and community-tracked trends and usage examples.

Prompt Studio is an AI platform focused on prompt engineering. It facilitates language model creation, evaluation, and teamwork in a collaborative environment.

GuessPrompt is an interactive AI tool that enhances prompt generation through daily challenges and a competitive leaderboard. It tracks performance, scores effectiveness, and encourages continuous improvement, making it suitable for writers, educators, and marketers.

AIPRM is a browser extension offering a library of 4,000+ ready‑to‑use prompts for ChatGPT, Claude, Gemini, Midjourney, and GPT‑Image. It lets users create, store, organize, and centrally manage prompts—including custom GPTs—across languages, enhancing workflow efficiency.

Text‑GPT‑p5 is a web editor that translates natural‑language prompts into p5.js code using GPT‑4o‑mini, eliminating boilerplate setup and loop functions. It quickly generates interactive sketches such as Conway’s Game of Life, flocking, and 3‑D forms.

Chat Prompt Genius is a web app that generates high-quality prompts for chatbot conversations using GPT technology.