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Codec: avc1.64142a

86.16% Encoder Support
1,851,874 of 2,149,319 sessions supported encoding
99.81% Decoder Support
2,094,003 of 2,098,091 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 2,149,319 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.38% 862,357 / 867,755 99.76% 100,210 / 100,455 — 96.51% 627,522 / 650,198 96.15% 41,930 / 43,608
SafariSafari
 — 1.52% 728 / 47,887 1.86% 4,078 / 218,696 — —
EdgeEdge
 99.87% 143,825 / 144,017 100.0% 1,492 / 1,492 — 98.88% 4,145 / 4,192 98.87% 699 / 707
FirefoxFirefox
 95.94% 51,075 / 53,234 99.99% 7,458 / 7,459 — 0.96% 1 / 104 98.8% 6,015 / 6,088

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,091 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 845,021 / 845,206 99.8% 96,484 / 96,674 — 99.65% 638,170 / 640,384 98.25% 41,668 / 42,411
SafariSafari
 — 99.82% 46,462 / 46,548 99.98% 212,926 / 212,976 — —
EdgeEdge
 100.0% 139,996 / 140,002 100.0% 1,454 / 1,454 — 100.0% 4,121 / 4,121 99.0% 695 / 702
FirefoxFirefox
 99.97% 51,421 / 51,437 99.97% 7,223 / 7,225 — 1.09% 1 / 92 98.34% 5,746 / 5,843