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Codec: avc1.4d142a

86.43% Encoder Support
1,856,550 of 2,148,087 sessions supported encoding
99.8% Decoder Support
2,092,640 of 2,096,824 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,087 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.4% 862,900 / 868,079 99.75% 100,073 / 100,320 — 97.34% 631,357 / 648,622 96.61% 42,573 / 44,066
SafariSafari
 — 1.55% 747 / 48,274 1.82% 3,968 / 217,975 — —
EdgeEdge
 99.86% 143,474 / 143,672 100.0% 1,472 / 1,472 — 99.25% 4,117 / 4,148 99.3% 713 / 718
FirefoxFirefox
 95.88% 51,532 / 53,747 99.96% 7,385 / 7,388 — 0.96% 1 / 104 98.84% 5,878 / 5,947

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,824 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 845,195 / 845,406 99.8% 96,457 / 96,648 — 99.64% 636,400 / 638,710 98.38% 42,151 / 42,845
SafariSafari
 — 99.83% 46,774 / 46,854 99.98% 212,410 / 212,448 — —
EdgeEdge
 99.99% 139,660 / 139,670 100.0% 1,432 / 1,432 — 100.0% 4,071 / 4,071 99.44% 705 / 709
FirefoxFirefox
 99.97% 51,937 / 51,955 99.96% 7,152 / 7,155 — 1.01% 1 / 99 98.07% 5,585 / 5,695