NotepadPlusPlus Has Upgraded!
The classic editor has evolved into a full suite of free developer tools. Your editor is still here — plus 20+ new utilities!
Blazing fast, 100% client-side utilities engineered for modern workflows. Zero data logs, No accounts, just pure productivity.
Looking for a NotepadPlusPlus online experience without installing anything? Our NotepadPlusPlus Online Editor lets you write and edit code instantly — with syntax highlighting, multiple tabs, word wrap, and local auto-save. Perfect for quick edits on any device.
Use NotepadPlusPlus in your browser →Essential tools for every developer's daily routine.
Format, validate, and beautify JSON instantly in your browser. Works fully offline and in-browser, no data is uploaded.
Reduce image file size without losing quality. Optimize for web performance instantly.
Minify JavaScript code by removing whitespace, comments, and optimizing for production use.
Create beautiful CSS gradients — linear, radial, and conic — with a live preview and one-click copy. Free visual gradient builder.
Convert times between different timezones worldwide. See UTC offsets and local times.
Instantly convert JSON objects and arrays into structured TypeScript interfaces.
High-end CSS & JS animations for your next big project.
A neon-drenched cyberpunk login interface with holographic glitch effects, neural network background, scanning overlays, and electric neon border animations.
A login page suspended inside a cosmic wormhole tunnel with swirling star streams, nebula gas clouds, and a gravitational lens effect around the form.
A dramatic dark thunderstorm login page with real-time lightning strikes that illuminate the scene, falling rain particles, atmospheric fog layers, and thunder shake effects.
Deep dives, tutorials, and development tips from our team.
Want to use Notepad++ without installing it? Our free NotepadPlusPlus Online Editor gives you syntax highlighting for 20+ languages, multi-tab editing, and local auto-save — instantly in any browser.
Find the exact utility you need from our comprehensive collection of developer assets.
Standard online tools often store your data in logs or use it for training AI models. At NotepadPlusPlus, we've engineered every utility to work 100% on the client side. Whether you're formatting sensitive JSON, decoding a JWT, or generating a secure password, your data never leaves your browser. No strings, no logs, no server-side footprint.
Latency kills productivity. By eliminating the network "round-trip" required for server-side processing, our tools respond in milliseconds. Built with modern framework technologies like Astro and optimized vanilla JavaScript, you get the speed of a desktop application with the accessibility of a web browser.
From Network Diagnostics (like IP Lookup) to Security Utilities (like JWT Generators) and Data Converters, we provide a unified dashboard for all your everyday developer needs. We take inspiration from the classic NotepadPlusPlus editor—prioritizing utility, speed, and a distraction-free environment for professional engineers.
No daily limits. No "Pro" feature gates. No login walls. We believe the best developer tools should be open and accessible to everyone. Our platform is supported by non-intrusive advertising, ensuring these utilities remain free for the global developer community indefinitely.
Absolutely not. We engineered the entire platform using browser-native technologies. Everything from formatting to decoding happens locally inside your browser's execution engine. You can even use these tools while offline!
Yes, entirely free. We sustain the infrastructure through minimal, non-intrusive AdSense placements across the directory without requiring user accounts or premium payload restrictions. You are free to use them for personal and professional work.
The editor auto-saves temporarily to your local `localStorage`. If you close the tab, your sandbox code persists securely locally without ever touching a server cache. To clear it, simply used the Clear button in the editor toolbar.