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Codec: avc1.42103e

87.19% Encoder Support
279,709 of 320,794 sessions supported encoding
87.7% Decoder Support
236,702 of 269,900 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 6.2
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 800 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,794 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.81% 143,969 / 144,245 99.81% 19,807 / 19,845 — 99.66% 63,454 / 63,673 97.99% 7,587 / 7,743
SafariSafari
 — 1.94% 167 / 8,603 1.46% 456 / 31,197 — —
EdgeEdge
 99.97% 30,993 / 31,003 100.0% 380 / 380 — 99.78% 906 / 908 100.0% 66 / 66
FirefoxFirefox
 95.99% 9,220 / 9,605 100.0% 1,318 / 1,318 — 0.0% 0 / 28 99.0% 1,285 / 1,298

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,900 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 121,653 / 121,707 99.78% 16,108 / 16,143 — 99.85% 53,676 / 53,759 98.13% 6,454 / 6,577
SafariSafari
 — 1.81% 131 / 7,230 1.43% 367 / 25,751 — —
EdgeEdge
 99.96% 26,982 / 26,992 100.0% 341 / 341 — 100.0% 850 / 850 100.0% 61 / 61
FirefoxFirefox
 99.92% 7,879 / 7,885 99.91% 1,089 / 1,090 — 0.0% 0 / 20 99.24% 1,042 / 1,050