Build a Notes App with File System Access API | HTML , CSS and JavaScript Project

In this tutorial, we’ll build a modern Notes App from scratch using HTML, Tailwind CSS, and Vanilla JavaScript — powered by the File System Access API for secure, local-first note storage.

📋 What you’ll learn:

Create a clean, responsive note-taking UI with TailwindCSS.

Use the File System Access API to save and manage notes directly on your device.

Implement auto-save with debounce for a smooth writing experience.

Add bulk selection and deletion of notes.

Handle offline workflows with full privacy (no cloud, no accounts).
🚀 App Features:
✅ Local-first storage (notes saved as JSON files)
✅ Works offline, no servers or tracking
✅ Mobile-responsive sidebar + modern UI
✅ Privacy-focused and user-controlled storage
Code & demo

Source code / demo: https://project-sell-ten.vercel.app

Docs on File System Access API: https://developer.mozilla.org/en-US/docs/Web/API/File_System_Access_API

Full project files : https://github.com/Fullstack-Vaishnavi

Useful links & resources

TailwindCSS — https://tailwindcss.com

Github Developer Pack 2 lakh of free tools
https://youtu.be/9S_V9qtOJbo?si=hCRmOaRJ8vPvHQ5t
Don't know how to install VS Code watch this https://youtu.be/MVdEsdihyqs?si=k_UXHqK5-caygfY3

👉 Great project for your portfolio and to practice real-world web development skills.

If you found this helpful — please LIKE 👍, SUBSCRIBE 🔔 and leave a comment on what next feature you’d like (e.g., hourly chart, location search, PWA).

#NotesApp #JavaScript #TailwindCSS #WebDev #Frontend #Productivity

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