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Codec: avc1.64103c

86.15% Encoder Support
1,849,406 of 2,146,740 sessions supported encoding
87.42% Decoder Support
1,832,279 of 2,095,901 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 6
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,146,740 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.38% 861,428 / 866,793 99.65% 100,108 / 100,461 — 96.52% 625,790 / 648,354 95.95% 41,866 / 43,634
SafariSafari
 — 1.55% 747 / 48,254 1.87% 4,081 / 218,044 — —
EdgeEdge
 99.84% 143,773 / 143,999 100.0% 1,482 / 1,482 — 98.77% 4,181 / 4,233 99.17% 714 / 720
FirefoxFirefox
 95.84% 51,341 / 53,571 99.97% 7,449 / 7,451 — 0.0% 0 / 113 98.74% 6,113 / 6,191

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,095,901 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 844,113 / 844,524 99.64% 96,435 / 96,783 — 99.35% 634,248 / 638,379 97.33% 41,289 / 42,423
SafariSafari
 — 1.62% 759 / 46,840 1.88% 3,991 / 212,486 — —
EdgeEdge
 99.97% 139,942 / 139,982 100.0% 1,442 / 1,442 — 100.0% 4,160 / 4,160 99.44% 711 / 715
FirefoxFirefox
 99.96% 51,802 / 51,825 99.82% 7,211 / 7,224 — 0.0% 0 / 101 98.23% 5,870 / 5,976