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Codec: avc1.42002a

99.63% Encoder Support
2,137,784 of 2,145,709 sessions supported encoding
99.8% Decoder Support
2,090,705 of 2,094,822 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 4.2
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,145,709 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.93% 865,447 / 866,070 99.8% 100,111 / 100,312 — 99.5% 646,202 / 649,445 98.01% 42,840 / 43,710
SafariSafari
 — 99.77% 47,903 / 48,012 99.97% 217,420 / 217,476 — —
EdgeEdge
 99.99% 143,929 / 143,941 100.0% 1,451 / 1,451 — 99.93% 4,176 / 4,179 99.57% 699 / 702
FirefoxFirefox
 95.87% 51,327 / 53,538 99.95% 7,373 / 7,377 — 1.92% 2 / 104 98.88% 5,827 / 5,893

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,094,822 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 843,306 / 843,501 99.79% 96,434 / 96,634 — 99.65% 637,292 / 639,551 98.3% 41,813 / 42,534
SafariSafari
 — 99.86% 46,583 / 46,649 99.97% 211,826 / 211,882 — —
EdgeEdge
 99.99% 140,023 / 140,034 100.0% 1,411 / 1,411 — 100.0% 4,119 / 4,119 100.0% 695 / 695
FirefoxFirefox
 99.97% 51,785 / 51,803 99.93% 7,147 / 7,152 — 2.2% 2 / 91 98.56% 5,593 / 5,675