Online HLS Player & M3U8 Stream Checker

VLC fetches the stream directly. A browser will not: it first asks the server for permission through a CORS header, and discards the response when there is not one. That single difference accounts for most streams that work everywhere except in a browser, and it applies to every browser-based player, not just this one.

Each row is a quality tier the stream offers, with the bitrate, framerate and codec it was encoded at. The highlighted row is the one playing right now. A ladder with a single rung means viewers on slow connections have nothing to drop down to; a ladder whose lowest rung is still high means those viewers will buffer rather than downgrade.

That is the margin the player has before playback stalls, so yes. It is flagged amber below two seconds and red below one. When the buffer is low but measured throughput is healthy, the cause is usually long segments or a slow origin rather than the viewer's connection.

How far behind the actual live moment your playback sits. Standard HLS usually runs fifteen to thirty seconds behind; low-latency configurations aim for under five. It only appears for live streams, because an on-demand stream has no live edge to be behind.

Dropped frames were decoded but arrived too late to display, which points at the playback device rather than the stream. A handful across thousands is unremarkable. A ratio that climbs steadily means the machine cannot keep up with the rendition it is being served.

No. DRM requires a licence exchange this tool does not perform, and signed URLs are usually short-lived or bound to a session. Both show up as a playback failure rather than as a decoding problem, so a failure here does not mean the stream is broken for its intended viewers.

No. The URL stays in your browser, and segments are fetched straight from your machine to whoever hosts the stream. There is no server behind this page, so there is nothing to log it.