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Codec: avc1.641032

86.2% Encoder Support
1,852,731 of 2,149,450 sessions supported encoding
99.81% Decoder Support
2,094,475 of 2,098,495 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 5
Maximum Resolution 4K (4096×2176)
Maximum Bitrate 135 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,149,450 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.39% 862,121 / 867,439 99.75% 100,694 / 100,943 — 96.52% 627,324 / 649,961 96.4% 42,237 / 43,814
SafariSafari
 — 1.53% 733 / 47,882 1.84% 4,019 / 218,065 — —
EdgeEdge
 99.86% 143,872 / 144,073 100.0% 1,518 / 1,518 — 98.68% 4,180 / 4,236 98.79% 651 / 659
FirefoxFirefox
 95.9% 51,687 / 53,897 99.95% 7,377 / 7,381 — 0.0% 0 / 96 98.97% 5,983 / 6,045

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,495 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,916 / 845,116 99.8% 97,163 / 97,359 — 99.65% 637,859 / 640,086 98.41% 41,923 / 42,601
SafariSafari
 — 99.83% 46,461 / 46,541 99.97% 212,280 / 212,336 — —
EdgeEdge
 99.99% 140,017 / 140,025 100.0% 1,474 / 1,474 — 100.0% 4,161 / 4,161 98.78% 648 / 656
FirefoxFirefox
 99.98% 52,053 / 52,066 99.93% 7,143 / 7,148 — 0.0% 0 / 84 98.73% 5,744 / 5,818