NotepadXX

✨ About NotepadXX

NotepadXX is a powerful, modern, and cross-platform text editor built entirely in Java. Designed for both Windows and Linux, it offers a clean, responsive interface using Java Swing and JavaFX — combining speed, simplicity, and professional-grade tools.

Whether you're editing plain text, writing code, or working with Markdown, NotepadXX delivers. Enjoy features like syntax highlighting, real-time linting, Markdown preview, and smart editing — all in one lightweight, distraction-free workspace. You can even open a terminal or web browser right from the app for an efficient, uninterrupted workflow.

Developed once to run seamlessly across platforms, NotepadXX is ideal for developers, writers, and creators seeking a dependable editor without unnecessary bloat.

Try NotepadXX today and experience a smarter, faster way to edit.

🔥 Features

• 📂 File Operations: Easily open, create, save, and manage text files with a user-friendly file chooser.
• ✂ Basic Editing Functions: Cut, copy, paste, undo/redo, and other essential editing tools included.
• 🔤 Text Formatting: Change font style and size to suit your preferences.
• 💻 Command Line Integration: Launch the app or open files directly from the terminal/command prompt.
• 🌐 Web Browser Support: Instantly open URLs in your default browser from within the editor.
• 🎨 Syntax Highlighting: Color-coded syntax support for multiple programming languages.
• 🧠 Real-Time Linting: Get instant feedback on your code with built-in syntax checking and analysis.
• 📝 Markdown Preview: View live previews of Markdown files directly inside the editor.
• 🗂️ Multitab File Handling: Work on multiple files at once using a tabbed interface for efficient multitasking.
• 🧩 Hybrid UI: Seamlessly blends Java Swing's stability with JavaFX's modern look and feel.
• 🔄 Real-Time File Monitoring: Automatically detect changes made to files externally and prompt to reload or overwrite.
• 🎨 Theme Customization: Toggle between light and dark modes to match your style.
• 🚀 Cross-Platform Compatibility: Runs smoothly on both Windows and Linux — one codebase, universal support.
• ⚡ Lightweight & Fast: Minimal UI design ensures fast load times and smooth performance.

🔍 Code Analysis & Quality

NotepadXX is built with clean code practices and robust analysis mechanisms to ensure a top-tier development experience:

• ANTLR-Powered Code Intelligence: Uses ANTLR lexer and parser to parse and validate code in real-time. Syntax errors such as missing semicolons or invalid tokens are:
  • Highlighted in red
  • Accompanied by tooltips explaining the issue
• Static Code Analysis: Utilizes tools like PMD, Checkstyle, and SpotBugs to enforce best practices and prevent code smells.
• Error Handling: Comprehensive exception management ensures smooth and crash-free usage, even in edge cases.
• Performance Profiling: Memory usage and responsiveness are continuously monitored and optimized.
• Thread Management: Critical processes such as file I/O, theme switching, and large file operations run on separate threads for a seamless experience.
• Refactoring Culture: The codebase is regularly improved for simplicity, maintainability, and future scalability.
• Users can toggle between normal and advanced error tooltips using Ctrl + M.
• Use Ctrl + Shift + M to toggle tooltip visibility.

NotepadXX isn’t just powerful—it’s intelligent, fast, and built with precision.

🌟 Why Choose NotepadXX?

NotepadXX is not just another text editor; it’s a powerful tool designed to enhance your productivity and provide a seamless editing experience. Whether you're a coder, writer, or just someone who needs a lightweight text editor, NotepadXX offers the following benefits:

• 🚀 Fast and Responsive: A minimalistic design ensures quick startup times and efficient file handling without any unnecessary delays.
• 🧩 Multitab Editing: Manage multiple files effortlessly with our intuitive tabbed interface. No more switching between separate windows—everything is in one place.
• 🌐 Cross-Platform Compatibility: Works on any system that supports Java, making it accessible on various operating systems.
• 💡 Hybrid UI: Combining the best of Java Swing and JavaFX, NotepadXX delivers a sleek, modern interface without sacrificing performance.
• 🔄 Real-Time File Monitoring: NotepadXX detects external changes to your files and alerts you, giving you full control of your workspace.
• 🛠️ Productivity Tools: With built-in Command Prompt access, Web Browser integration, and File Browser capabilities, NotepadXX acts as more than just a text editor—it’s an all-in-one productivity tool.
• 💻 Syntax Highlighting: Perfect for programmers, NotepadXX offers syntax highlighting for a wide range of programming languages (more to be added in future updates).
• 🎨 Customizable Themes: Choose between light and dark modes to match your style and enhance readability.
• ❌ No Bloatware: The app is lightweight and free from unnecessary features, giving you the tools you need without the clutter.

🆚 Why NotepadXX Stands Out

NotepadXX isn’t just another text editor — it’s a powerful, modern tool built for productivity.

Whether you’re a developer, student, or content creator, NotepadXX helps you get more done with features like:

• 🧠 Smart Code Editing – Syntax highlighting, custom themes, and keyboard shortcuts
• 🌐 Built-in Browser Access – Preview web pages and content without switching tabs
• 🗂️ Integrated File Manager – Quickly navigate and manage your files within the editor
• 💻 Terminal Access – Run command-line tools right from inside the app
• 🌓 Dark & Light Themes – Choose the look that suits your style

Built with Java 23 & JavaFX, NotepadXX runs smoothly across Windows and Linux with a native feel and modern UI.

⚡ Designed for speed, built for productivity.