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Codec: avc1.4d082a

86.45% Encoder Support
1,857,114 of 2,148,222 sessions supported encoding
99.8% Decoder Support
2,092,567 of 2,096,782 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 2,148,222 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.39% 861,533 / 866,791 99.74% 100,107 / 100,363 — 97.35% 633,475 / 650,739 96.52% 42,180 / 43,700
SafariSafari
 — 1.52% 731 / 48,174 1.86% 4,056 / 217,647 — —
EdgeEdge
 99.83% 143,551 / 143,792 100.0% 1,481 / 1,481 — 99.31% 4,310 / 4,340 98.62% 644 / 653
FirefoxFirefox
 95.93% 51,518 / 53,705 99.96% 7,328 / 7,331 — 0.89% 1 / 112 98.73% 5,836 / 5,911

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,782 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,076 / 844,273 99.78% 96,446 / 96,657 — 99.64% 638,268 / 640,543 98.28% 41,774 / 42,507
SafariSafari
 — 99.83% 46,718 / 46,796 99.97% 211,965 / 212,019 — —
EdgeEdge
 99.99% 139,757 / 139,770 100.0% 1,440 / 1,440 — 100.0% 4,269 / 4,269 99.07% 640 / 646
FirefoxFirefox
 99.97% 51,905 / 51,918 99.93% 7,072 / 7,077 — 0.94% 1 / 106 98.47% 5,588 / 5,675