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Codec: avc1.4d1429

86.44% Encoder Support
1,857,118 of 2,148,535 sessions supported encoding
99.81% Decoder Support
2,093,471 of 2,097,500 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 2,148,535 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.4% 862,031 / 867,276 99.76% 100,018 / 100,256 — 97.34% 632,852 / 650,121 96.67% 42,256 / 43,712
SafariSafari
 — 1.59% 764 / 48,168 1.89% 4,116 / 218,233 — —
EdgeEdge
 99.85% 143,563 / 143,774 100.0% 1,446 / 1,446 — 99.46% 4,243 / 4,266 98.97% 671 / 678
FirefoxFirefox
 95.81% 51,415 / 53,664 99.97% 7,408 / 7,410 — 0.97% 1 / 103 98.94% 5,973 / 6,037

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,500 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,581 / 844,785 99.81% 96,356 / 96,543 — 99.65% 637,952 / 640,199 98.4% 41,806 / 42,484
SafariSafari
 — 99.82% 46,732 / 46,815 99.98% 212,566 / 212,615 — —
EdgeEdge
 100.0% 139,768 / 139,773 100.0% 1,409 / 1,409 — 100.0% 4,189 / 4,189 99.11% 670 / 676
FirefoxFirefox
 99.96% 51,897 / 51,920 99.96% 7,179 / 7,182 — 1.04% 1 / 96 98.31% 5,705 / 5,803