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Codec: avc1.64102a

86.16% Encoder Support
1,851,015 of 2,148,394 sessions supported encoding
99.8% Decoder Support
2,092,964 of 2,097,079 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 2,148,394 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.37% 861,660 / 867,098 99.74% 100,414 / 100,673 — 96.51% 627,077 / 649,765 96.36% 42,244 / 43,841
SafariSafari
 — 1.49% 719 / 48,361 1.81% 3,943 / 217,884 — —
EdgeEdge
 99.84% 143,508 / 143,745 99.93% 1,480 / 1,481 — 98.71% 4,126 / 4,180 98.85% 690 / 698
FirefoxFirefox
 95.86% 51,397 / 53,615 99.99% 7,428 / 7,429 — 0.0% 0 / 97 98.87% 5,952 / 6,020

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,079 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,249 / 844,437 99.79% 96,722 / 96,921 — 99.65% 637,617 / 639,856 98.29% 41,900 / 42,628
SafariSafari
 — 99.85% 46,929 / 47,001 99.98% 212,257 / 212,304 — —
EdgeEdge
 99.99% 139,684 / 139,697 100.0% 1,434 / 1,434 — 100.0% 4,101 / 4,101 98.99% 686 / 693
FirefoxFirefox
 99.95% 51,810 / 51,834 99.97% 7,193 / 7,195 — 0.0% 0 / 90 98.44% 5,697 / 5,787