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QUICKVID

Summarize, verify, and chat with any YouTube video. You paste a link and get a summary with notes in about 10 seconds. Then you can check the video's claims against the web, or ask it questions.

TYPE
Web app
STACK
Next.js, Neon, LangChain, Gemini
YEAR
2024
STATUS
Shut down

HOW IT WORKS

I started with Whisper and GPT in 2023. That version downloaded each video's audio and ran it through speech-to-text, which took minutes.

I rebuilt it around YouTube's own transcripts and Gemini. QuickVid splits a transcript into 5,000-token pieces, has Gemini 1.5 Flash summarize the pieces in parallel, then merges them into one summary with bullet-point notes. Long videos work the same way as short ones, there are just more pieces.


VERIFY

A summary of a wrong video is still wrong. So QuickVid can fact-check one.

Gemini writes five search queries from the summary and Tavily pulls web results for each. The model then compares the summary with those sources and returns a verdict, accurate or not, with an explanation of how it got there.


CHAT

For chat, QuickVid cuts the transcript into 250-token chunks, embeds them and stores the vectors in Postgres on Neon. Each question pulls the closest chunks by cosine similarity and hands them to Gemini, so answers come from what was said in the video.


RESULTS

LangChain featured it. 174 GitHub stars, 15 forks, 100+ active users. Summarization went from minutes to about 10 seconds.


WHY IT ENDED

In August 2024 the deployed app started failing on YouTube requests. I tried YouTube cookies, then proxies, then swapped ytdl for youtubei.js.

YouTube ToS and crawler blocking made the workflow unsustainable, so I shut it down. Still the most successful side project I've shipped.


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