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Codec: avc1.640828

86.13% Encoder Support
1,849,658 of 2,147,574 sessions supported encoding
99.8% Decoder Support
2,092,726 of 2,096,833 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 4
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 20 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,147,574 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.37% 861,837 / 867,341 99.75% 100,153 / 100,402 — 96.51% 626,154 / 648,825 96.28% 42,304 / 43,940
SafariSafari
 — 1.48% 717 / 48,374 1.86% 4,076 / 218,553 — —
EdgeEdge
 99.85% 143,112 / 143,322 99.93% 1,453 / 1,454 — 98.72% 4,088 / 4,141 98.62% 644 / 653
FirefoxFirefox
 95.95% 51,381 / 53,550 99.93% 7,447 / 7,452 — 0.0% 0 / 116 98.72% 5,942 / 6,019

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,833 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,719 / 844,917 99.8% 96,584 / 96,773 — 99.65% 636,729 / 638,989 98.3% 42,027 / 42,753
SafariSafari
 — 99.83% 46,979 / 47,058 99.97% 212,875 / 212,929 — —
EdgeEdge
 99.99% 139,369 / 139,376 100.0% 1,416 / 1,416 — 100.0% 4,063 / 4,063 98.92% 642 / 649
FirefoxFirefox
 99.97% 51,765 / 51,783 99.9% 7,210 / 7,217 — 0.0% 0 / 106 98.65% 5,706 / 5,784