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Codec: avc1.640c28

98.45% Encoder Support
2,112,916 of 2,146,243 sessions supported encoding
99.8% Decoder Support
2,091,197 of 2,095,290 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,146,243 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.38% 860,432 / 865,810 99.77% 100,645 / 100,879 — 96.5% 626,845 / 649,607 96.27% 42,144 / 43,776
SafariSafari
 — 99.75% 48,281 / 48,403 99.98% 217,894 / 217,948 — —
EdgeEdge
 99.85% 142,878 / 143,097 100.0% 1,428 / 1,428 — 98.83% 4,131 / 4,180 98.58% 692 / 702
FirefoxFirefox
 95.9% 51,311 / 53,505 99.99% 7,386 / 7,387 — 0.0% 0 / 104 98.75% 5,906 / 5,981

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,095,290 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 843,181 / 843,370 99.82% 97,128 / 97,304 — 99.65% 637,388 / 639,656 98.31% 41,833 / 42,550
SafariSafari
 — 99.82% 46,900 / 46,984 99.98% 212,265 / 212,318 — —
EdgeEdge
 99.99% 139,174 / 139,182 100.0% 1,378 / 1,378 — 100.0% 4,116 / 4,116 98.7% 685 / 694
FirefoxFirefox
 99.97% 51,718 / 51,734 99.97% 7,128 / 7,130 — 0.0% 0 / 95 98.59% 5,677 / 5,758