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Codec: avc1.4d0029

98.99% Encoder Support
317,753 of 320,993 sessions supported encoding
99.93% Decoder Support
269,763 of 269,947 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 4.1
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,993 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.3% 143,224 / 144,230 99.84% 19,796 / 19,827 — 97.64% 62,038 / 63,538 97.65% 7,511 / 7,692
SafariSafari
 — 99.95% 8,523 / 8,527 99.98% 31,428 / 31,434 — —
EdgeEdge
 99.82% 31,053 / 31,108 100.0% 388 / 388 — 99.09% 978 / 987 98.08% 51 / 52
FirefoxFirefox
 96.2% 9,398 / 9,769 100.0% 1,292 / 1,292 — 0.0% 0 / 30 99.22% 1,273 / 1,283

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,947 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,867 / 121,900 99.86% 16,121 / 16,143 — 99.98% 53,537 / 53,549 99.03% 6,420 / 6,483
SafariSafari
 — 99.94% 7,183 / 7,187 99.98% 25,670 / 25,675 — —
EdgeEdge
 100.0% 27,111 / 27,111 100.0% 350 / 350 — 100.0% 913 / 913 100.0% 48 / 48
FirefoxFirefox
 99.99% 8,051 / 8,052 100.0% 1,063 / 1,063 — 0.0% 0 / 20 99.43% 1,053 / 1,059