Capture, decrypt, and merge fragmented TS/DASH streams into standard high-definition MP4 files directly from your browser. Optimized for educational courses, videos, and media assets.
Stop struggling with broken links, complex CLI tools, or slow extensions. Get the ProMax experience.
No need to search HTML code. Our background worker monitors network requests to auto-detect HLS (.m3u8), MPEG-DASH (.mpd), and direct MP4/WebM resources instantly.
Queue multiple videos across different tabs or select an entire course curriculum. The extension sequentially downloads and builds each item in the background.
Download encrypted video segments safely. The extension automatically detects AES-128 keys, decrypts individual segments in real-time, and merges them locally.
All decryption, stitching, and multiplexing happen entirely inside your browser (offscreen process). Your bandwidth is utilized fully, keeping your data 100% private.
Utilizes advanced OPFS (Origin Private File System) to temporarily store chunks and stitch them into a seamless MP4 container using local WebAssembly tools.
Completely compatible with Google Manifest V3 security rules. Safely installed from the official Chrome Web Store with clean code minified by Terser.
Start with 3 free trial downloads (freemium). Upgrade to ProMax for unlimited, lifetime access.
Perfect for downloading a single course or quick backup projects.
Best for continuous learning, professionals, and archiving assets.
One-time payment for permanent, worry-free access forever.
Have questions? We have answers. Find out how the licensing and downloads work.