ptNotes

About

ptNotes — Local-First Web Highlighter & AI Research Companion
ptNotes is a lightweight, high-performance browser extension built on Manifest V3. It transforms any webpage, PDF, or video into an interactive, collaborative workspace. Designed with a local-first philosophy, ptNotes processes on-device AI tasks (OCR, summaries, transcripts) offline to protect user privacy and eliminate cloud server compute costs.

🌟 Key Features
🖍️ Web & PDF Highlighter: Highlight webpage text or uploaded documents in multiple colors (implemented in 

content.js
).
📌 Draggable Sticky Notes: Pin sticky notes directly onto webpages, featuring voice-to-text input and screen reader playback (implemented in 

popup.js
).
📸 Screen Capture & OCR: Snaps screenshots and runs on-device OCR using Tesseract.js to pull out editable text without external API calls.
🎥 Screen Recorder & AI Transcripts: Records the browser screen and microphone, converting audio to text offline using Whisper running locally via Transformers.js (WebAssembly).
📄 Research Exporter: Generates structured notes, summaries, and outputs them directly to PDF, Word (DOCX), or formatted PowerPoint (PPTX) presentation slides.
☁️ Encrypted Sync & Share (Pro): Authenticates via Google OAuth and syncs metadata to Firestore and files to Firebase Storage with mutual-connection share rules (configured in