Welcome back! The classic NotepadPlusPlus editor you know has now evolved into a full suite of free online developer tools. Your editor is still here — plus many more tools to explore.
100% Client-side processing. Zero data uploaded. No login required.
Blazing fast utilities engineered exclusively for developer workflows.
The most frequently used developer utilities today.
Format, validate, and beautify JSON instantly in your browser. Works fully offline and in-browser, no data is uploaded.
Decode Base64 to plain text instantly, privacy-first, fully in your browser.
Preview raw HTML immediately rendering safely in-browser.
Generate Universally Unique Identifiers (UUIDs) locally in your browser.
Minify CSS code quickly for production use. Fully offline processing.
Count words and characters quickly in any text block. Calculates metrics efficiently.
Absolutely not. We engineered the entire platform using browser-native technologies. Everything from formatting to decoding happens locally inside your browser's execution engine.
Yes, entirely free. We sustain the infrastructure through minimal, non-intrusive AdSense placements across the directory without requiring user accounts or premium payload restrictions.
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.