StreamScope — HLS / M3U8 Stream Debugger

See what your stream is really doing. Capture HLS/M3U8 manifests, inspect qualities, and replay streams.

StreamScope — HLS / M3U8 Stream Debugger Inspect, debug, preview, and download HLS streams directly in Chrome. StreamScope helps developers, testers, and video engineers work with HLS/M3U8 streams. It automatically detects streams loaded by the current page and lets you inspect playlist types, preview media, select variants, copy stream URLs, and download supported content as MP4 or MP3. Features Automatic HLS / M3U8 stream detection Master, media, audio, and subtitle playlist detection Filter streams by type Inspect available qualities and bitrate variants Preview detected media Copy stream URLs Download supported HLS streams as MP4 Extract supported audio as MP3 Track download progress and speed Handle multiple streams on the same page Local processing without external conversion services Built for debugging StreamScope is useful for HLS player development, adaptive bitrate testing, streaming QA, CDN troubleshooting, and inspecting media sources without manually searching through Chrome DevTools network requests. Privacy No tracking or analytics. Stream processing happens locally in your browser, and StreamScope only operates on pages where it is enabled. Important StreamScope is intended for development, testing, debugging, and media you are authorized to access. It does not bypass DRM, encryption, authentication, paywalls, or other content protections. Some websites use custom or protected streaming implementations that may prevent certain streams from being detected, previewed, or downloaded.