Substack Video and Audio Downloader – Download Videos, Podcasts & Streams

Download Substack videos, audio, and podcasts with one click. Supports MP4, MP3, 1080p/4K, and HLS (.m3u8) streams.

Download Substack Videos, Audio & Podcasts — Fast, Private, One Click Substack Video & Audio Downloader lets you easily download videos, podcasts, and audio from Substack newsletters directly to your device. Whether you're saving video posts, audio podcasts, or HLS streaming videos (.m3u8), this extension automatically detects the media and downloads it in high quality — no external tools, no ads, no tracking. Unlike generic video downloaders, this extension is built specifically for Substack, ensuring reliable detection even for lazy-loaded players, premium posts, and streaming media. Perfect for anyone who wants to download Substack videos and podcasts for offline viewing or listening. ⭐ Key Features 🎥 Download Substack Videos Save embedded Substack videos as playable files, including hidden and dynamically loaded players. 🔊 Audio & Podcast Downloader Download audio posts and Substack podcasts in high quality for offline listening. ⚡ HLS (.m3u8) Stream Support Automatically detects HLS streaming playlists and stitches segments into a single video file. 🧠 Smart Deduplication Intelligent detection prevents duplicate entries, ensuring a clean media list. 📝 Flexible File Naming Choose between post title or structured naming (SubstackName_Type_Index) for organized downloads. ⏱ Duration Display See video/audio duration on thumbnails before downloading. 🗂 Download History View and manage previously downloaded Substack videos and audio with timestamps. 🔐 100% Private & Local Runs entirely in your browser. No servers, no tracking, no data collection. 🚀 How to Use Open any Substack post with video or audio Scroll to load the media player Click the extension icon Select the video or audio and click Download That’s it. ℹ️ Important Note About HLS Downloads Some Substack videos use HLS streaming. These downloads are saved as .ts files to preserve audio/video sync. ✔ Recommended players: VLC, IINA, MPV