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Codec: avc1.4d102a

98.97% Encoder Support
317,645 of 320,964 sessions supported encoding
99.94% Decoder Support
269,657 of 269,815 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 320,964 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.27% 143,310 / 144,363 99.83% 19,840 / 19,873 — 97.54% 62,051 / 63,617 98.19% 7,575 / 7,715
SafariSafari
 — 99.97% 8,734 / 8,737 99.99% 31,183 / 31,185 — —
EdgeEdge
 99.83% 30,986 / 31,039 100.0% 335 / 335 — 98.96% 954 / 964 97.14% 68 / 70
FirefoxFirefox
 95.98% 9,195 / 9,580 100.0% 1,327 / 1,327 — 0.0% 0 / 29 99.23% 1,293 / 1,303

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,815 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 121,954 / 121,982 99.84% 15,974 / 16,000 — 99.99% 53,577 / 53,581 99.2% 6,470 / 6,522
SafariSafari
 — 99.96% 7,324 / 7,327 99.99% 25,658 / 25,660 — —
EdgeEdge
 100.0% 27,057 / 27,057 100.0% 291 / 291 — 100.0% 883 / 883 97.01% 65 / 67
FirefoxFirefox
 100.0% 7,859 / 7,859 100.0% 1,099 / 1,099 — 0.0% 0 / 23 99.44% 1,066 / 1,072