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Codec: avc1.4d0028

98.94% Encoder Support
317,151 of 320,535 sessions supported encoding
99.93% Decoder Support
269,401 of 269,590 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 4
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 20 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,535 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.3% 143,111 / 144,116 99.87% 19,917 / 19,942 — 97.49% 61,725 / 63,317 97.82% 7,537 / 7,705
SafariSafari
 — 99.93% 8,499 / 8,505 99.99% 31,227 / 31,230 — —
EdgeEdge
 99.79% 31,052 / 31,117 100.0% 376 / 376 — 99.21% 999 / 1,007 100.0% 56 / 56
FirefoxFirefox
 95.59% 9,321 / 9,751 100.0% 1,329 / 1,329 — 0.0% 0 / 34 98.67% 1,258 / 1,275

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,590 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,361 / 121,403 99.9% 16,269 / 16,285 — 99.98% 53,470 / 53,479 98.82% 6,437 / 6,514
SafariSafari
 — 99.93% 7,131 / 7,136 99.99% 25,733 / 25,736 — —
EdgeEdge
 100.0% 27,230 / 27,230 100.0% 338 / 338 — 100.0% 931 / 931 100.0% 50 / 50
FirefoxFirefox
 100.0% 7,936 / 7,936 100.0% 1,119 / 1,119 — 0.0% 0 / 22 99.32% 1,028 / 1,035