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Codec: avc1.42143e

87.25% Encoder Support
1,876,764 of 2,150,967 sessions supported encoding
87.45% Decoder Support
1,836,220 of 2,099,669 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 6.2
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 800 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,150,967 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.9% 867,793 / 868,626 99.68% 100,183 / 100,509 — 99.24% 646,130 / 651,078 97.37% 42,753 / 43,910
SafariSafari
 — 1.61% 774 / 48,193 1.88% 4,091 / 218,025 — —
EdgeEdge
 99.97% 143,621 / 143,658 99.93% 1,526 / 1,527 — 99.88% 4,170 / 4,175 98.94% 654 / 661
FirefoxFirefox
 95.86% 51,464 / 53,687 99.93% 7,397 / 7,402 — 0.0% 0 / 115 98.79% 5,877 / 5,949

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,099,669 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 845,636 / 846,024 99.67% 96,509 / 96,831 — 99.36% 636,935 / 641,039 97.42% 41,568 / 42,669
SafariSafari
 — 1.66% 779 / 46,810 1.88% 3,990 / 212,446 — —
EdgeEdge
 99.97% 139,632 / 139,669 99.93% 1,492 / 1,493 — 100.0% 4,105 / 4,105 99.24% 650 / 655
FirefoxFirefox
 99.92% 51,827 / 51,870 99.78% 7,160 / 7,176 — 0.0% 0 / 102 98.41% 5,628 / 5,719