JotThis - AI Voice Notes

Transform your voice notes into structured insights with AI-powered transcription and analysis.

🎯 Project Overview

JotThis is a modern voice-to-text application that records audio, transcribes it using OpenAI Whisper, and provides AI-powered insights using GPT-4. Built with Next.js 15, Firebase, and OpenAI APIs, it offers a premium, app-like experience on the web.

Current Status: 🟢 Production Ready

• ✅ Secure Auth: Email/Password & Google Sign-in with anonymous guest access.
• ✅ AI Transcription: High-accuracy speech-to-text using OpenAI Whisper.
• ✅ AI Analysis: Auto-generates titles, tags, action items, research topics, and content ideas using GPT-4o.
• ✅ Smart Organization: Search, Favorites, Archive, Trash, and Tag Cloud with AI clustering.
• ✅ Data Protection: Lock important notes to prevent accidental deletion.
• ✅ Cloud Sync: All data securely stored and synced via Firebase Firestore & Storage.

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🚀 Features

🎙️ Capture & Transcribe

• One-Tap Recording: Simple, intuitive interface with sine-wave audio visualization.
• Whisper Integration: State-of-the-art transcription accuracy.
• Auto-Title & Tag: Context-aware titles and tags generated automatically.

🧠 AI Insights

• Deep Analysis: Convert raw transcripts into structured lists:
  • 📋 Action Items: To-do lists extracted from your ramblings.
  • 💡 Content Ideas: Blog posts, tweets, or video concepts based on your notes.
  • 🔍 Research Topics: Key terms and concepts to explore further.
• Smart Tagging: AI organizes your tags into semantic clusters (e.g., "Work", "Ideas") with color-coding.

⚡ Productivity Tools

• Text-to-Speech: Listen to your notes with premium AI voices (Alloy, Echo, etc.) and smart caching for instant playback.
• Lock Notes: Prevent accidental deletion of critical information.
• Note Sharing: Generate secure, public links to share notes with anyone.
• Multiselect: Bulk actions to Favoritie, Archive, or Trash multiple notes at once.
• Search: Real-time filtering by title, transcript, or tags.
• Archive & Trash: Soft delete and archival workflows to keep your workspace clean.

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🛠️ Architecture

Tech Stack

Layer	Technology
Framework	Next.js 15 (App Router)
Language	TypeScript
Styling	Tailwind CSS + DaisyUI
Animations	Framer Motion
Auth	Firebase Authentication
Database	Cloud Firestore
Storage	Firebase Storage
AI	OpenAI Whisper & GPT-4o-mini

Data Security

• Row-Level Security: Firestore and Storage rules ensure users can only access their own data.
• Secure Sharing: Shared notes are verified via backend tokens; unshared notes remain private.
• Lock Protection: Backend rules strictly enforce "Lock" status, preventing deletion even via API.

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🚀 Quick Start

Prerequisites

• Node.js 18+
• Firebase Project
• OpenAI API Key

1. Install Dependencies

npm install

2. Configure Environment Variables

Create .env based on .env.example:

# Firebase (Client)
NEXT_PUBLIC_FIREBASE_API_KEY=...
NEXT_PUBLIC_FIREBASE_AUTH_DOMAIN=...
NEXT_PUBLIC_FIREBASE_PROJECT_ID=...
# ... other Firebase config

# OpenAI (Server)
OPENAI_API_KEY=sk-...

3. Run Development Server

npm run dev

Open http://localhost:3000

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🔐 Security Rules

Firestore:

match /users/{userId}/transcriptions/{noteId} {
  allow read, write: if request.auth.uid == userId;
  // Locked notes cannot be deleted
  allow delete: if request.auth.uid == userId && resource.data.isLocked != true;
}

Storage:

match /users/{userId}/audio/{fileName} {
  allow read, write: if request.auth.uid == userId;
}

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📄 License

Proprietary Software Copyright © 2026. All Rights Reserved. Unauthorized copying, modification, distribution, or use of this software is strictly prohibited.

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