Manifest V3 Ready

The ultimate zero-RAM HLS Downloader

FetchStream intercepts streaming media and downloads it directly to your hard drive in parallel. No more Out-of-Memory browser crashes on massive 4K streams.

Interactive Demo

Background Webpage

FetchStream Downloads Manager
1 active download
Epic_Mountain_Doc.mp4
HLS DOWNLOADING Disk
0% • 42/120 segs • 145 MB 4.2 MB/s
FetchStream

Interact with the extension simulator above.

Why FetchStream?

Built from the ground up to solve the biggest problems with video downloaders.

Zero-RAM OPFS Streaming

Instead of holding chunks in memory, FetchStream writes directly to your local disk. Safely download 4GB+ files without crashing your browser tab.

Smart Stream Detection

Automatically sniffs out hidden M3U8 playlists, master variants, and raw media files behind complex modern web players.

Parallel Downloads

Max out your bandwidth by downloading multiple stream segments concurrently with customizable thread limits.