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Codec: avc1.4d003d

86.42% Encoder Support
1,858,182 of 2,150,105 sessions supported encoding
87.44% Decoder Support
1,835,075 of 2,098,756 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 6.1
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 480 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,150,105 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.38% 863,217 / 868,563 99.66% 100,275 / 100,614 — 97.35% 632,385 / 649,568 96.41% 42,251 / 43,823
SafariSafari
 — 1.49% 717 / 48,216 1.87% 4,075 / 218,340 — —
EdgeEdge
 99.86% 144,013 / 144,215 99.94% 1,570 / 1,571 — 99.4% 4,172 / 4,197 98.51% 663 / 673
FirefoxFirefox
 95.91% 51,202 / 53,384 99.95% 7,299 / 7,303 — 1.0% 1 / 100 98.84% 5,966 / 6,036

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,756 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 845,487 / 845,870 99.65% 96,541 / 96,876 — 99.36% 635,617 / 639,685 97.5% 41,555 / 42,620
SafariSafari
 — 1.57% 737 / 46,850 1.87% 3,973 / 212,675 — —
EdgeEdge
 99.98% 140,183 / 140,216 99.93% 1,526 / 1,527 — 100.0% 4,119 / 4,119 99.1% 663 / 669
FirefoxFirefox
 99.94% 51,572 / 51,602 99.8% 7,059 / 7,073 — 1.08% 1 / 93 98.34% 5,700 / 5,796