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Codec: avc1.641432

86.18% Encoder Support
1,851,208 of 2,148,183 sessions supported encoding
99.8% Decoder Support
2,092,754 of 2,096,993 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 2,148,183 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.37% 861,935 / 867,428 99.76% 100,559 / 100,802 — 96.5% 626,411 / 649,164 96.4% 42,309 / 43,890
SafariSafari
 — 1.54% 739 / 47,924 1.77% 3,860 / 217,780 — —
EdgeEdge
 99.86% 144,190 / 144,397 99.93% 1,414 / 1,415 — 98.46% 4,146 / 4,211 99.0% 692 / 699
FirefoxFirefox
 95.95% 51,403 / 53,575 99.97% 7,449 / 7,451 — 0.89% 1 / 112 98.61% 5,739 / 5,820

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,993 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,818 / 845,011 99.8% 96,941 / 97,140 — 99.64% 636,847 / 639,172 98.35% 41,964 / 42,668
SafariSafari
 — 99.82% 46,489 / 46,571 99.97% 212,073 / 212,133 — —
EdgeEdge
 99.99% 140,332 / 140,340 100.0% 1,368 / 1,368 — 100.0% 4,130 / 4,130 99.43% 693 / 697
FirefoxFirefox
 99.96% 51,738 / 51,761 99.94% 7,194 / 7,198 — 1.0% 1 / 100 98.27% 5,508 / 5,605