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Codec: avc1.4d0832

86.52% Encoder Support
277,625 of 320,871 sessions supported encoding
99.93% Decoder Support
269,543 of 269,740 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 5
Maximum Resolution 4K (4096×2176)
Maximum Bitrate 135 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,871 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.25% 142,980 / 144,064 99.87% 19,770 / 19,796 — 97.5% 62,162 / 63,756 97.84% 7,624 / 7,792
SafariSafari
 — 2.05% 174 / 8,484 1.43% 449 / 31,290 — —
EdgeEdge
 99.81% 31,010 / 31,068 100.0% 359 / 359 — 98.88% 969 / 980 96.83% 61 / 63
FirefoxFirefox
 95.98% 9,424 / 9,819 100.0% 1,293 / 1,293 — 0.0% 0 / 35 99.04% 1,241 / 1,253

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,740 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 121,483 / 121,529 99.91% 16,117 / 16,132 — 99.98% 53,669 / 53,681 98.97% 6,505 / 6,573
SafariSafari
 — 99.93% 7,179 / 7,184 99.98% 25,712 / 25,717 — —
EdgeEdge
 100.0% 27,115 / 27,115 100.0% 319 / 319 — 100.0% 901 / 901 98.11% 52 / 53
FirefoxFirefox
 99.99% 7,999 / 8,000 100.0% 1,091 / 1,091 — 0.0% 0 / 23 99.31% 1,009 / 1,016