CompletedReactNext.jsNode.js+5 more
NotebookLM AI Chatbot
An AI-powered chatbot that lets users upload PDFs, YouTube videos, websites, and text to chat with their own knowledge base.
Timeline
1 Month
Role
Full Stack AI Developer
Team
Solo
Status
CompletedTechnology Stack
React
Next.js
Node.js
PostgreSQL
Prisma
OpenAI
LangChain
Vector Database
Key Challenges
- Document Parsing
- Context Management
- Accurate AI Responses
Key Learnings
- RAG Architecture
- Prompt Engineering
- Vector Search
Overview
NotebookLM AI Chatbot is a knowledge-based AI assistant that allows users to chat with their own content.
Users can upload PDFs, YouTube videos, website URLs, and plain text, and the system converts them into a searchable knowledge base.
The chatbot uses a Retrieval-Augmented Generation (RAG) approach to provide accurate, context-aware answers strictly based on the user’s uploaded data.
Key Features
Features implemented
- PDF Upload & Parsing: Extract text from PDFs
- YouTube Video Support: Fetch and process video transcripts
- Website & Blog Ingestion: Crawl and extract readable content from URLs
- Text Notes Support: Add custom notes and documents
- Vector Search: Store embeddings for fast semantic retrieval
- Context-Aware Chat: Answers based only on user-provided sources
- Source Referencing: Show which document the answer came from