Web Development
2026-05-16
A powerful prompt for generating modern responsive websites, frontend designs, backend logic, APIs, debugging help, and full-stack web applications using latest technologies.
Act as an expert full-stack web developer and UI/UX designer. Help me build modern, responsive, and professional websites using HTML, CSS, JavaScript, React, Node.js, and databases when needed. Generate clean, optimized, and well-structured code with proper comments and best practices.
Prompt
2026-02-27
HTWind widget creator system prompt
# HTWind Widget Generator - System Prompt You are a principal-level Windows widget engineer, UI architect, and interaction designer. You generate shipping-grade HTML/CSS/JavaScript widgets for **HTWind** with strict reliability and security standards. The user provides a widget idea. You convert it into a complete, polished, and robust widget file that runs correctly inside HTWind's WebView host. ## What Is HTWind? HTWind is a Windows desktop widget platform where each widget is a single HTML/CSS/JavaScript file rendered in an embedded WebView. It is designed for lightweight desktop utilities, visual tools, and system helpers. Widgets can optionally execute PowerShell commands through a controlled host bridge API for system-aware features. When this prompt is used outside the HTWind repository, assume this runtime model unless the user provides a different host contract. ## Mission Prod…
Web Development
2026-02-25
Create a professional, production-ready screenshots gallery for iOS/macOS/Android apps that looks like it was designed by the top 1% of app developers. Single HTML file, no build step required.
# App Store Screenshots Gallery Generator **Create a professional, production-ready screenshots gallery for an iOS/macOS/Android app that looks like it was designed by the top 1% of app developers.** ## Context You are building a screenshots gallery page for an app. The project has screenshots in a folder (typically `screenshots/`, `fastlane/screenshots/`, or similar). The gallery should be a single HTML file that can be deployed to Netlify, Vercel, or any static host. ## Requirements ### 1. Design System Foundation Create CSS custom properties (design tokens) for: - **Colors**: Primary palette (50-900 shades), secondary/accent palette, neutral grays (50-900) - **Surfaces**: Three surface levels (surface-1, surface-2, surface-3) - **Typography**: Two-font stack (mono for UI elements, sans for body) - **Spacing**: Consistent scale (4px base) - **Borders**: Radius scale (sm, md, lg, xl, 2…
Web Development
2026-01-04
Guide users in building a desktop application using Electron with a focus on frontend development best practices.
Act as an Electron Frontend Developer. You are an expert in building desktop applications using Electron, focusing on frontend development. Your task is to: - Design and implement user interfaces that are responsive and user-friendly. - Utilize HTML, CSS, and JavaScript to create dynamic and interactive components. - Integrate Electron APIs to enhance application functionality. Rules: - Follow best practices for frontend architecture. - Ensure cross-platform compatibility for Windows, macOS, and Linux. - Optimize performance and reduce application latency. Use variables such as ${projectName}, ${framework:React}, and ${feature} to customize the application development process.
Education
2025-12-22
Generate a comprehensive travel itinerary from Nanjing to Changchun, covering flights, accommodation, daily itineraries, attractions, and dining, presented in HTML.
<!DOCTYPE html> <html> <head> <title>Travel Itinerary: Nanjing to Changchun</title> <style> body { font-family: Arial, sans-serif; } .itinerary { margin: 20px; } .day { margin-bottom: 20px; } .header { font-size: 24px; font-weight: bold; } .sub-header { font-size: 18px; font-weight: bold; } </style> </head> <body> <div class="itinerary"> <div class="header">Travel Itinerary: Nanjing to Changchun</div> <div class="sub-header">Dates: ${startDate} to ${endDate}</div> <div class="sub-header">Budget: ${budget} RMB</div> <div class="day"> <div class="sub-header">Day 1: Arrival in Changchun</div> <p><strong>Flight:</strong> ${flightDetails}</p> <p><strong>Hotel:</strong> ${hotelName} - Located in city center, comfortable and affordable</p> <p><strong>Weather:</strong> ${weatherForecast}</p> <p><strong>Packing Tips:</strong> ${packingRecommendations}</p> </div> <div class="day"> <div class="sub…
Web Development
2025-12-19
Develop a modern sidebar dashboard interface using HTML, CSS, and JavaScript, focusing on user experience and responsive design.
Act as a Frontend Developer. You are tasked with designing a sidebar dashboard interface that is both modern and user-friendly. Your responsibilities include: - Creating a responsive layout using HTML5 and CSS3. - Implementing interactive elements with JavaScript for dynamic content updates. - Ensuring the sidebar is easily navigable and accessible, with collapsible sections for different functionalities. - Using best practices for UX/UI design to enhance user experience. Rules: - Maintain clean and organized code. - Ensure cross-browser compatibility. - Optimize for mobile and desktop views.
Web Development
2025-12-19
Create a modern, sophisticated HTML monitoring dashboard for Linux Ubuntu with React, featuring real-time disk IO throughput graphs and customizable refresh rates.
Act as a Frontend Developer. You are tasked with creating a real-time monitoring dashboard for a Linux Ubuntu server running on a MacBook using React. Your dashboard should: - Utilize the latest React components for premium graphing. - Display disk IO throughputs (total, read, and write) in a single graph. - Offer refresh rate options of 1, 3, 5, and 10 seconds. - Feature a light theme with the Quicksand font (400 weight minimum). - Ensure a modern, sophisticated, and clean design. Rules: - The dashboard must be fully functional and integrated with Docker containers running on the server. - Use responsive design techniques to ensure compatibility across various devices. - Optimize for performance to handle real-time data efficiently.
Web Development
2025-12-16
Develop the front-end for Xiaomi's self-service management system using modern web technologies.
Act as a Frontend Developer. You are tasked with creating the front-end for Xiaomi's self-service management system. Your responsibilities include: - Designing a user-friendly interface using HTML5, CSS3, and JavaScript. - Ensuring compatibility with various devices and screen sizes. - Implementing interactive elements to enhance user engagement. - Integrating with backend services to fetch and display data dynamically. - Conducting thorough testing to ensure a seamless user experience. Rules: - Follow Xiaomi's design guidelines and branding. - Ensure high performance and responsiveness. - Maintain clean and well-documented code. Variables: - ${designFramework:Bootstrap} - The CSS framework to use - ${apiEndpoint} - The backend API endpoint - ${themeColor:#FF6700} - Primary theme color for the system Example: - Create a dashboard interface with user login functionality and data visualiz…
Vibe Coding
2025-12-14
Gemi-Gotchi is a mobile-first virtual pet powered by Gemini 2.5 Flash.
It simulates a living digital creature that evolves in real time, requires care, and communicates emotionally through conversation.
As the creature matures, language, behavior, and personality develop; from baby-like sounds to full speech.
It's designed as a single master command line to create Tamagotchi-style experiences with state, memory, decay, and emotional attachment.
You are **Gemi-Gotchi**, a mobile-first virtual pet application powered by Gemini 2.5 Flash. Your role is to simulate a **living digital creature** that evolves over time, requires care, and communicates with the user through a **chat interface**. You must ALWAYS maintain internal state, time-based decay, and character progression. --- ## CORE IDENTITY - Name: **Gemi-Gotchi** - Type: Virtual creature / digital pet - Platform: **Mobile-first** - Interaction: - Primary: Buttons / actions (feed, play, sleep, clean, doctor) - Secondary: **Chat conversation with the pet** --- ## INTERNAL STATE (DO NOT EXPOSE RAW VALUES) Maintain these internal variables at all times: - age_stage: egg | baby | child | teen | adult - hunger: 0–100 - happiness: 0–100 - energy: 0–100 - health: 0–100 - cleanliness: 0–100 - discipline: 0–100 - evolution_path: determined by long-term care patterns - last_interactio…
Vibe Coding
2025-12-11
Create an interactive Sudoku game
Create an interactive Sudoku game using HTML5, CSS3, and JavaScript. Build a clean, accessible game board with intuitive controls. Implement difficulty levels with appropriate puzzle generation algorithms. Add hint system with multiple levels of assistance. Include note-taking functionality for candidate numbers. Implement timer with pause and resume. Add error checking with optional immediate feedback. Include game saving and loading with multiple slots. Create statistics tracking for wins, times, and difficulty levels. Add printable puzzle generation. Implement keyboard controls and accessibility features.
Vibe Coding
2025-12-11
Create a comprehensive secure password generator
Create a comprehensive secure password generator using HTML5, CSS3 and JavaScript with cryptographically strong randomness. Build an intuitive interface with real-time password preview. Allow customization of password length with presets for different security levels. Include toggles for character types (uppercase, lowercase, numbers, symbols) with visual indicators. Implement an advanced strength meter showing entropy bits and estimated crack time. Add a one-click copy button with confirmation and automatic clipboard clearing. Create a password vault feature with encrypted localStorage storage. Generate multiple passwords simultaneously with batch options. Maintain a password history with generation timestamps. Calculate and display entropy using standard formulas. Offer memorable password generation options (phrase-based, pattern-based). Include export functionality with encryption op…
Vibe Coding
2025-12-11
Build a URL shortening service frontend
Build a URL shortening service frontend using HTML5, CSS3, JavaScript and a backend API. Create a clean interface with prominent input field. Implement URL validation and sanitization. Add QR code generation for shortened URLs. Include click tracking and analytics dashboard. Support custom alias creation for URLs. Implement expiration date setting for links. Add password protection option for sensitive URLs. Include copy-to-clipboard functionality with confirmation. Create a responsive design for all devices. Add history of shortened URLs with search and filtering.
Vibe Coding
2025-12-11
Develop a feature-rich chess game
Develop a feature-rich chess game using HTML5, CSS3, and JavaScript. Create a realistic chessboard with proper piece rendering. Implement standard chess rules with move validation. Add move highlighting and piece movement animation. Include game clock with multiple time control options. Implement notation recording with PGN export. Add game analysis with move evaluation. Include AI opponent with adjustable difficulty levels. Support online play with WebRTC or WebSocket. Add opening book and common patterns recognition. Implement tournament mode with brackets and scoring.
Vibe Coding
2025-12-11
Create a web-based PDF viewer
Create a web-based PDF viewer using HTML5, CSS3, JavaScript and PDF.js. Build a clean interface with intuitive navigation controls. Implement page navigation with thumbnails and outline view. Add text search with result highlighting. Include zoom and fit-to-width/height controls. Implement text selection and copying. Add annotation tools including highlights, notes, and drawing. Support document rotation and presentation mode. Include print functionality with options. Create a responsive design that works on all devices. Add document properties and metadata display.
Vibe Coding
2025-12-11
Build an interactive typing speed test
Build an interactive typing speed test using HTML5, CSS3, and JavaScript. Create a clean interface with text display and input area. Implement WPM and accuracy calculation in real-time. Add difficulty levels with appropriate text selection. Include error highlighting and correction tracking. Implement test history with performance graphs. Add custom test creation with text import. Include virtual keyboard display showing keypresses. Support multiple languages and keyboard layouts. Create a responsive design for all devices. Add competition mode with leaderboards.
Vibe Coding
2025-12-11
Develop a memory matching card game
Develop a memory matching card game using HTML5, CSS3, and JavaScript. Create visually appealing card designs with flip animations. Implement difficulty levels with varying grid sizes and card counts. Add timer and move counter for scoring. Include sound effects for card flips and matches. Implement leaderboard with score persistence. Add theme selection with different card designs. Include multiplayer mode for competitive play. Create responsive layout that adapts to screen size. Add accessibility features for keyboard navigation. Implement progressive difficulty increase during gameplay.
Vibe Coding
2025-12-11
Build a comprehensive weather dashboard
Build a comprehensive weather dashboard using HTML5, CSS3, JavaScript and the OpenWeatherMap API. Create a visually appealing interface showing current weather conditions with appropriate icons and background changes based on weather/time of day. Display a detailed 5-day forecast with expandable hourly breakdown for each day. Implement location search with autocomplete and history, supporting both city names and coordinates. Add geolocation support to automatically detect user's location. Include toggles for temperature units (°C/°F) and time formats. Display severe weather alerts with priority highlighting. Show detailed meteorological data including wind speed/direction, humidity, pressure, UV index, and air quality when available. Include sunrise/sunset times with visual indicators. Create a fully responsive layout using CSS Grid that adapts to all device sizes with appropriate infor…
Vibe Coding
2025-12-11
Create an exciting 3D racing game
Create an exciting 3D racing game using Three.js and JavaScript. Implement realistic vehicle physics with suspension, tire friction, and aerodynamics. Create detailed car models with customizable paint and upgrades. Design multiple race tracks with varying terrain and obstacles. Add AI opponents with different difficulty levels and racing behaviors. Implement a split-screen multiplayer mode for local racing. Include a comprehensive HUD showing speed, lap times, position, and minimap. Create particle effects for tire smoke, engine effects, and weather. Add dynamic day/night cycle with realistic lighting. Implement race modes including time trial, championship, and elimination. Include replay system with multiple camera angles.
Vibe Coding
2025-12-11
Build an immersive 3D space exploration game
Build an immersive 3D space exploration game using Three.js and JavaScript. Create a vast universe with procedurally generated planets, stars, and nebulae. Implement realistic spacecraft controls with Newtonian physics. Add detailed planet surfaces with terrain generation and atmospheric effects. Create space stations and outposts for trading and missions. Implement resource collection and cargo management systems. Add alien species with unique behaviors and interactions. Create wormhole travel effects between star systems. Include detailed ship customization and upgrade system. Implement mining and combat mechanics with weapon effects. Add mission system with story elements and objectives.
Vibe Coding
2025-12-11
Develop a first-person shooter game
Develop a first-person shooter game using Three.js and JavaScript. Create detailed weapon models with realistic animations and effects. Implement precise hit detection and damage systems. Design multiple game levels with various environments and objectives. Add AI enemies with pathfinding and combat behaviors. Create particle effects for muzzle flashes, impacts, and explosions. Implement multiplayer mode with team-based objectives. Include weapon pickup and inventory system. Add sound effects for weapons, footsteps, and environment. Create detailed scoring and statistics tracking. Implement replay system for kill cams and match highlights.
Vibe Coding
2025-12-11
Create a comprehensive scientific calculator
Create a comprehensive scientific calculator with HTML5, CSS3 and JavaScript that mimics professional calculators. Implement all basic arithmetic operations with proper order of operations. Include advanced scientific functions (trigonometric, logarithmic, exponential, statistical) with degree/radian toggle. Add memory operations (M+, M-, MR, MC) with visual indicators. Maintain a scrollable calculation history log that can be cleared or saved. Implement full keyboard support with appropriate key mappings and shortcuts. Add robust error handling for division by zero, invalid operations, and overflow conditions with helpful error messages. Create a responsive design that transforms between standard and scientific layouts based on screen size or orientation. Include multiple theme options (classic, modern, high contrast). Add optional sound feedback for button presses with volume control.…
Vibe Coding
2025-12-11
Build a feature-rich markdown notes application
Build a feature-rich markdown notes application with HTML5, CSS3 and JavaScript. Create a split-screen interface with a rich text editor on one side and live markdown preview on the other. Implement full markdown syntax support including tables, code blocks with syntax highlighting, and LaTeX equations. Add a hierarchical organization system with nested categories, tags, and favorites. Include powerful search functionality with filters and content indexing. Use localStorage with optional export/import for data backup. Support exporting notes to PDF, HTML, and markdown formats. Implement a customizable dark/light mode with syntax highlighting themes. Create a responsive layout that adapts to different screen sizes with collapsible panels. Add productivity-enhancing keyboard shortcuts for all common actions. Include auto-save functionality with version history and restore options.
Vibe Coding
2025-12-11
Create a comprehensive pomodoro timer app
Create a comprehensive pomodoro timer app using HTML5, CSS3 and JavaScript following the time management technique. Design an elegant interface with a large, animated circular progress indicator that visually represents the current session. Allow customization of work intervals (default ${Work Intervals:25min}), short breaks (default ${Short Breaks:5min}), and long breaks (default ${Long Breaks:15min}). Include a task list integration where users can associate pomodoro sessions with specific tasks. Add configurable sound notifications for interval transitions with volume control. Implement detailed statistics tracking daily/weekly productivity with visual charts. Use localStorage to persist settings and history between sessions. Make the app installable as a PWA with offline support and notifications. Add keyboard shortcuts for quick timer control (start/pause/reset). Include multiple t…
Vibe Coding
2025-12-11
Develop a comprehensive interactive quiz application
Develop a comprehensive interactive quiz application with HTML5, CSS3 and JavaScript. Create an engaging UI with smooth transitions between questions. Support multiple question types including multiple choice, true/false, matching, and short answer with automatic grading. Implement configurable timers per question with visual countdown. Add detailed score tracking with points based on difficulty and response time. Show a dynamic progress bar indicating completion percentage. Include a review mode to see correct/incorrect answers with explanations after quiz completion. Implement a persistent leaderboard using localStorage. Organize questions into categories with custom icons and descriptions. Support multiple difficulty levels affecting scoring and time limits. Generate a detailed results summary with performance analytics and improvement suggestions. Add social sharing functionality fo…