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Codec: avc1.4d003e

86.42% Encoder Support
276,855 of 320,370 sessions supported encoding
87.64% Decoder Support
235,865 of 269,123 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,370 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.27% 143,020 / 144,075 99.76% 19,650 / 19,698 — 97.61% 61,871 / 63,387 97.31% 7,516 / 7,724
SafariSafari
 — 2.08% 181 / 8,703 1.46% 457 / 31,387 — —
EdgeEdge
 99.8% 30,806 / 30,868 100.0% 375 / 375 — 98.66% 958 / 971 100.0% 60 / 60
FirefoxFirefox
 96.04% 9,205 / 9,585 100.0% 1,346 / 1,346 — 0.0% 0 / 33 98.72% 1,307 / 1,324

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,123 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.94% 121,380 / 121,452 99.77% 15,982 / 16,019 — 99.87% 53,305 / 53,377 98.21% 6,457 / 6,575
SafariSafari
 — 2.01% 147 / 7,319 1.47% 379 / 25,800 — —
EdgeEdge
 99.99% 26,898 / 26,901 100.0% 335 / 335 — 100.0% 885 / 885 100.0% 55 / 55
FirefoxFirefox
 99.94% 7,774 / 7,779 99.91% 1,110 / 1,111 — 0.0% 0 / 23 99.36% 1,081 / 1,088