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Codec: avc1.42043e

87.29% Encoder Support
280,432 of 321,263 sessions supported encoding
87.84% Decoder Support
237,455 of 270,317 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 321,263 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.79% 144,280 / 144,580 99.77% 19,952 / 19,997 — 99.68% 63,562 / 63,766 98.2% 7,530 / 7,668
SafariSafari
 — 1.94% 166 / 8,573 1.51% 468 / 31,072 — —
EdgeEdge
 99.97% 31,040 / 31,049 99.71% 346 / 347 — 99.5% 993 / 998 98.59% 70 / 71
FirefoxFirefox
 96.48% 9,322 / 9,662 100.0% 1,337 / 1,337 — 0.0% 0 / 30 98.2% 1,256 / 1,279

VideoDecoder Support Matrix

Browser × Platform decoder support from 270,317 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 121,961 / 122,016 99.76% 16,315 / 16,354 — 99.84% 53,873 / 53,959 98.32% 6,371 / 6,480
SafariSafari
 — 1.91% 138 / 7,228 1.47% 375 / 25,470 — —
EdgeEdge
 99.97% 27,059 / 27,068 100.0% 313 / 313 — 100.0% 921 / 921 98.46% 64 / 65
FirefoxFirefox
 99.91% 7,834 / 7,841 99.91% 1,105 / 1,106 — 0.0% 0 / 21 98.69% 1,054 / 1,068