Substack Downloader – Video, Audio & Podcast MP4/MP3

Download Substack videos, audio posts, and podcasts as MP4 or MP3. One-click, 1080p, batch downloads.

Substack Downloader is a lightweight Chrome extension that lets you download Substack videos, audio posts, and podcasts directly to your device in MP4 and MP3 format. Save Substack video posts, Mux streams, and podcast audio with one click. It is fast, private, and reliable. No ads, no tracking, and no external services required. Unlike generic video downloaders, this extension is built specifically for Substack, ensuring accurate detection even for hidden players, lazy-loaded media, and premium Substack posts you have access to. ⭐ Key Features 🎥 Download Substack Videos (MP4) - Download embedded Substack videos hosted on Mux - Save videos as playable MP4 files - Supports high-quality downloads up to 1080p 🔊 Download Substack Audio & Podcasts (MP3) - Download audio posts and Substack podcast episodes - Save audio as MP3 for offline listening - Works with native Substack audio players 🧠 Smart Media Detection - Automatically detects video and audio players on Substack pages - Supports deep-linked audio and dynamically loaded media - Works across all Substack publications, including custom domains 📂 Batch Download Support - Download all videos and audio on a page at once - View detected media in the extension popup - Ideal for long newsletters with multiple media items 📝 Smart File Naming - Automatically names files using post titles Example: post-name_video_1.mp4 - Keeps your downloads clean and organized 🔐 100% Private & Local - Runs entirely in your browser - No servers, no analytics, no tracking - Your media and data never leave your device 🚀 How to Use Method 1: Download from the Player - Open any Substack post with video or audio. - Hover over the media player. - Click the download button to save the file instantly. Method 2: Batch Download - Click the extension icon in your toolbar. - View all detected Substack videos and audio on the page. - Click Download All to save everything at once. 🔎 What This Extension Supports - Download Substack videos - Download Substack audio posts - Download Substack podcasts - Download Substack Mux video streams - Works on substack.com and custom Substack domains This is a Substack downloader extension designed specifically for creators and readers who want offline access to their favorite content.