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Codec: avc1.4d043e

86.46% Encoder Support
277,873 of 321,384 sessions supported encoding
87.72% Decoder Support
237,096 of 270,293 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 321,384 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.26% 143,472 / 144,535 99.8% 19,655 / 19,695 — 97.47% 62,106 / 63,715 97.94% 7,359 / 7,514
SafariSafari
 — 1.84% 160 / 8,678 1.47% 461 / 31,374 — —
EdgeEdge
 99.83% 31,000 / 31,054 100.0% 401 / 401 — 99.3% 1,000 / 1,007 100.0% 64 / 64
FirefoxFirefox
 96.12% 9,505 / 9,889 100.0% 1,312 / 1,312 — 0.0% 0 / 28 98.7% 1,292 / 1,309

VideoDecoder Support Matrix

Browser × Platform decoder support from 270,293 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 121,874 / 121,924 99.79% 15,922 / 15,955 — 99.83% 53,743 / 53,835 98.72% 6,249 / 6,330
SafariSafari
 — 1.8% 132 / 7,322 1.42% 366 / 25,746 — —
EdgeEdge
 99.96% 27,102 / 27,113 100.0% 361 / 361 — 100.0% 933 / 933 100.0% 57 / 57
FirefoxFirefox
 99.94% 8,132 / 8,137 100.0% 1,103 / 1,103 — 0.0% 0 / 19 98.97% 1,062 / 1,073