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Codec: avc1.4d0c3c

86.49% Encoder Support
277,611 of 320,991 sessions supported encoding
87.74% Decoder Support
236,750 of 269,844 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 6
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,991 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.28% 143,250 / 144,287 99.74% 19,698 / 19,750 — 97.52% 62,095 / 63,673 97.74% 7,474 / 7,647
SafariSafari
 — 2.08% 180 / 8,646 1.43% 446 / 31,298 — —
EdgeEdge
 99.8% 30,871 / 30,933 100.0% 385 / 385 — 98.95% 941 / 951 98.36% 60 / 61
FirefoxFirefox
 96.05% 9,459 / 9,848 100.0% 1,337 / 1,337 — 0.0% 0 / 39 99.02% 1,318 / 1,331

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,844 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 121,618 / 121,684 99.76% 15,938 / 15,976 — 99.83% 53,695 / 53,785 98.3% 6,359 / 6,469
SafariSafari
 — 1.99% 145 / 7,302 1.44% 370 / 25,628 — —
EdgeEdge
 99.96% 26,995 / 27,005 100.0% 350 / 350 — 100.0% 874 / 874 98.25% 56 / 57
FirefoxFirefox
 99.91% 8,087 / 8,094 99.91% 1,107 / 1,108 — 0.0% 0 / 30 99.09% 1,085 / 1,095