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YouTubeTLDR

YouTubeTLDR is a free, self-hosted tool that summarizes YouTube videos using Gemini AI.

Place
#23 of 25
Score
6.0
YouTubeTLDR's website

What YouTubeTLDR is

YouTubeTLDR is a free, self-hosted tool that summarizes YouTube videos using Gemini AI. Enter a YouTube video URL to generate a summary, choose an available Gemini model, and customize the AI instructions to shape the output. The tool also provides the full raw transcript, and summaries stay in the browser for later reference. You supply a Google Gemini API key; the project says the key is used directly, without proxies or data collection, and that the Rust server runs on your own machine. To start, run the executable and open localhost:8000 in a browser. The project describes the app as a roughly 0.3 MB single binary with no database, Tokio, or frameworks, using a vanilla HTML and JavaScript interface. Server IP, port, and worker count can be changed with environment variables. YouTubeTLDR supports Linux, macOS, Windows, web, and self-hosted use. It accepts video URLs but does not support uploads or chapter generation, and is intended for personal use rather than hundreds of concurrent users.

Good

  • Free to use.
  • Lets users customize summary instructions.
  • Provides the full raw transcript.
  • Summaries are saved in the browser.
  • Runs on the user's own machine.

Watch out

  • Requires a Google Gemini API key.
  • Does not support video uploads.
  • Does not generate chapters.
  • Not designed for hundreds of concurrent users.

Who it suits

It suits individuals who want to summarize YouTube videos on a self-hosted setup and are comfortable providing a Gemini API key. Its stated personal-use focus makes it a poor fit for large concurrent audiences.

Verdict

YouTubeTLDR offers customizable summaries and transcript access in a small self-hosted app. It is aimed at personal use and requires users to bring a Gemini API key.

The facts

Each one read from YouTubeTLDR's own pages, with the date it was checked.

What it does

Concurrency limit
The server is optimized for personal use and is not designed to support hundreds of concurrent users.checked 8 Oct 2026
Configuration
The server IP, port, and worker count can be changed with the TLDR_IP, TLDR_PORT, and TLDR_WORKERS environment variables.checked 7 Oct 2026
Custom prompts
Users can customize prompts to get summaries in their preferred format.checked 8 Oct 2026
Dependency footprint
The project describes the application as a roughly 0.3 MB single binary with no database, Tokio, or frameworks.checked 7 Oct 2026
Deployment
The project describes itself as a single binary of about 0.3 MB, with no database, Tokio, or frameworks.checked 8 Oct 2026
Gemini API
Users provide their own Google Gemini API key, which the app uses directly without proxies or data collection, according to the project.checked 7 Oct 2026
Gemini models
Users can choose any available Gemini model.checked 8 Oct 2026
Gemini model selection
Users can choose any available Gemini model.checked 7 Oct 2026
History
Summaries are saved locally in the user’s browser for future reference.checked 7 Oct 2026
Interface
The app uses a Rust server with a vanilla HTML and JavaScript interface.checked 7 Oct 2026
License
The repository lists an MIT license.checked 8 Oct 2026
Privacy
The README says the app runs on the user's own machine and uses their Gemini API key directly, with no proxies or data collection.checked 8 Oct 2026
Purpose
YouTubeTLDR is a lightweight, self-hosted YouTube video summarizer that uses Gemini AI.checked 8 Oct 2026
Release
The releases page lists version 1.7.0 as the latest release and says it fixed caption fetching.checked 8 Oct 2026
Requirements
Running the app requires a Google Gemini API key; the README describes Gemini's free tier as having generous limits.checked 8 Oct 2026
Setup
The README instructs users to run the executable and open http://localhost:8000 in a browser.checked 8 Oct 2026
Summary history
Summaries are saved locally in the user's browser for future reference.checked 8 Oct 2026
Transcript
The app provides access to the full raw video transcript.checked 8 Oct 2026

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