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Codec: avc1.641029

86.21% Encoder Support
277,013 of 321,340 sessions supported encoding
99.94% Decoder Support
269,746 of 269,914 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 4.1
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 321,340 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.28% 143,095 / 144,127 99.87% 19,742 / 19,767 — 96.34% 61,535 / 63,876 97.3% 7,540 / 7,749
SafariSafari
 — 2.04% 177 / 8,694 1.45% 454 / 31,417 — —
EdgeEdge
 99.8% 31,064 / 31,127 100.0% 357 / 357 — 98.15% 953 / 971 100.0% 61 / 61
FirefoxFirefox
 95.96% 9,373 / 9,768 100.0% 1,278 / 1,278 — 0.0% 0 / 40 99.0% 1,290 / 1,303

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,914 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,587 / 121,621 99.92% 16,022 / 16,035 — 99.99% 53,781 / 53,787 99.18% 6,428 / 6,481
SafariSafari
 — 99.89% 7,308 / 7,316 99.99% 25,807 / 25,809 — —
EdgeEdge
 100.0% 27,135 / 27,135 100.0% 316 / 316 — 100.0% 900 / 900 100.0% 57 / 57
FirefoxFirefox
 99.97% 7,925 / 7,927 100.0% 1,059 / 1,059 — 0.0% 0 / 30 99.24% 1,043 / 1,051