🚀 YT Comment Finder Extension

Finding useful information in YouTube comments shouldn’t feel like digging through a black hole.

While watching tutorials or videos on YouTube, I often ran into issues where the solution was hidden somewhere deep in the comments — but actually finding it meant endless scrolling, manually expanding replies, and relying on browser search that only works on already loaded content.

So I built YT Comment Finder Extension — a Chrome extension that turns YouTube comments into a searchable, real-time data stream.

💡 Problem

YouTube comments are:

• Lazy-loaded (not fully available in DOM)

• Nested (replies hidden behind multiple clicks)

• Not searchable beyond visible content

Which makes:

• Finding bug fixes in tutorials frustrating

• Searching for timestamps or references inefficient

• Discovering useful discussions time-consuming

⚙️ Solution

This extension automates the entire process:

• Continuously scrolls and loads comments

• Automatically expands “view replies” and nested threads

• Extracts comments in real time

• Enables full-text search across all loaded + streamed comments

• Allows clicking a result to jump directly to that comment

✨ Key Features

• 🔎 Smart Comment Search
  Search across all comments, not just visible ones

• ⚡ Real-Time Streaming
  Comments are extracted as they load

• 💬 Reply Extraction
  Handles nested replies and “show more replies”

• 🎯 Click-to-Navigate
  Jump directly to any comment from results

• ⏯️ Scan Controls
  Start, pause, resume, and stop scanning anytime

🧠 Tech Stack

• TypeScript

• React (Extension UI)

• Zustand (State Management)

• Chrome Extension (Manifest V3)

• DOM scraping + dynamic interaction

🛠️ Build Notes

While building this, I leveraged ChatGPT and Claude to:

• Navigate YouTube’s dynamic DOM structure

• Solve reply expansion edge cases

• Design a reliable streaming + deduplication system

🔥 Why this matters

This transforms YouTube comments from a passive feed into a searchable knowledge layer.

Because often, the most valuable insights on a video are hidden deep in the comments.

🔗 Project Link

GitHub:
https://github.com/PratyushFunde/YT-Comment-Finder-Extension