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Codec: avc1.64082a

86.31% Encoder Support
276,374 of 320,211 sessions supported encoding
99.94% Decoder Support
269,053 of 269,227 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 4.2
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,211 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.26% 143,171 / 144,236 99.88% 19,527 / 19,551 — 96.21% 61,007 / 63,410 97.36% 7,623 / 7,830
SafariSafari
 — 1.91% 165 / 8,618 1.43% 442 / 30,976 — —
EdgeEdge
 99.82% 31,090 / 31,146 100.0% 369 / 369 — 98.84% 937 / 948 100.0% 63 / 63
FirefoxFirefox
 96.39% 9,285 / 9,633 100.0% 1,319 / 1,319 — 0.0% 0 / 31 98.92% 1,286 / 1,300

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,227 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,632 / 121,667 99.89% 15,857 / 15,875 — 99.99% 53,513 / 53,521 99.13% 6,580 / 6,638
SafariSafari
 — 99.9% 7,256 / 7,263 99.98% 25,427 / 25,432 — —
EdgeEdge
 100.0% 27,179 / 27,179 100.0% 312 / 312 — 100.0% 875 / 875 100.0% 57 / 57
FirefoxFirefox
 99.97% 7,848 / 7,850 100.0% 1,089 / 1,089 — 0.0% 0 / 24 99.62% 1,050 / 1,054