StreamCatch - HLS & M3U8 Video Recorder

Capture, download, and record live HLS / M3U8 video streams, TS segments, and VOD media directly to MP4 in your browser.

StreamCatch - HLS & M3U8 Stream Recorder Effortlessly capture, record, and save live HLS video streams, M3U8 playlists, TS segments, and HTML5 video directly into high-quality MP4 files in your browser. Capture, record, and download HLS/M3U8 video streams and live broadcasts directly to MP4 without external servers or quality loss. 🚀 OVERVIEW StreamCatch is a fast, lightweight, and privacy-first browser extension designed to detect, download, and record streaming media delivered over HTTP Live Streaming (HLS / M3U8), MPEG-TS segments, and HTML5 video players. Unlike conventional video downloaders that struggle with fragmented chunked streams, StreamCatch actively detects the underlying manifest files (.m3u8), downloads all individual audio/video segments concurrently, and stitches them seamlessly into a unified, playable MP4 or TS video directly on your computer — 100% locally with zero cloud processing or third-party servers. ================================================== ✨ KEY FEATURES ================================================== 1. Intelligent Stream Sniffer • Automatically detects .m3u8 playlists, live streams, and embedded media as you browse. • Real-time badge counter lights up whenever playable streams are detected on the active webpage. • Works across modern HTML5 players, including Video.js, Hls.js, Plyr, JWPlayer, and embedded iframes. 2. Dual Capture Modes: VOD & Live Stream Recording • VOD Mode (Video On Demand): Fast-track download of pre-recorded videos. Downloads segments in parallel using customizable multi-threading (1 to 6 concurrent threads) and merges them into an MP4 file. • Live Record Mode: Record live broadcasts, webinars, and live streams in real-time. Captures incoming chunks into a local browser buffer, displaying live elapsed time and data size. Simply click "Finish & Save" when done! 3. Adaptive Quality & Multi-Bitrate Support • Automatically analyzes master playlists and selects the highest resolution (1080p, 720p, 480p) or provides the optimal bitrate stream for crystal-clear playback. 4. 100% Client-Side Remuxing & Privacy First • All fetching, segment stitching, and file generation happen locally in your browser memory. • No personal data, tracking cookies, or browsing history are ever collected, monitored, or transmitted. 5. Built-in Stream Preview & Quick Actions • In-popup preview player to inspect the stream before starting a download. • One-click direct link copy for VLC, MPV, or FFmpeg CLI users. • Custom M3U8 URL input field to manually fetch streams from direct links.