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README.md

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+# Youtube Playlist Length Calculator
+
+This is a simple web-app that calculates the length of a YouTube playlist.
+
+It also shows the length of a playlist at increased speeds of 1.25x, 1.50x, 1.75x and 2x.
+
+It is built with [FastApi](https://fastapi.tiangolo.com/) and deployed on [Vercel](https://vercel.com/)
+
+## Setup
+
+1. Clone the repository
+2. Make a virtualenv
+
+    ```sh
+    virtualenv 3.8.5
+    ```
+
+3. Install requirements
+
+    ```sh
+    pip install -r requirements.txt
+    ```
+
+4. make .env file
+
+5. Get your [Youtube Api Key](https://developers.google.com/youtube/v3/getting-started) and add it in `.env`
+
+    ```env
+    KEY=your-api-key
+    ```
+
+6. Run it
+
+    ```sh
+    python app.py
+    ```
+
+7. It's done.