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Codec: avc1.4d0429

86.42% Encoder Support
1,856,689 of 2,148,411 sessions supported encoding
99.8% Decoder Support
2,093,196 of 2,097,305 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 4.1
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,411 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.39% 862,614 / 867,916 99.74% 100,422 / 100,679 — 97.35% 632,062 / 649,253 96.74% 42,474 / 43,905
SafariSafari
 — 1.58% 763 / 48,251 1.82% 3,962 / 218,262 — —
EdgeEdge
 99.86% 143,188 / 143,387 99.93% 1,466 / 1,467 — 99.33% 4,126 / 4,154 99.24% 649 / 654
FirefoxFirefox
 95.89% 51,374 / 53,574 99.97% 7,427 / 7,429 — 0.0% 0 / 112 98.86% 5,818 / 5,885

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,305 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 845,256 / 845,458 99.8% 96,793 / 96,983 — 99.64% 636,896 / 639,202 98.44% 42,072 / 42,738
SafariSafari
 — 99.83% 46,786 / 46,868 99.98% 212,633 / 212,679 — —
EdgeEdge
 99.99% 139,423 / 139,431 100.0% 1,427 / 1,427 — 100.0% 4,072 / 4,072 99.23% 645 / 650
FirefoxFirefox
 99.96% 51,762 / 51,782 99.94% 7,189 / 7,193 — 0.0% 0 / 105 98.37% 5,547 / 5,639