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Codec: avc1.641429

86.16% Encoder Support
1,851,740 of 2,149,272 sessions supported encoding
99.8% Decoder Support
2,094,141 of 2,098,233 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 4.1
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,149,272 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.37% 861,669 / 867,093 99.72% 100,094 / 100,377 — 96.52% 627,468 / 650,107 96.21% 42,309 / 43,974
SafariSafari
 — 1.56% 754 / 48,324 1.85% 4,039 / 218,144 — —
EdgeEdge
 99.85% 143,799 / 144,018 100.0% 1,459 / 1,459 — 98.71% 4,206 / 4,261 98.48% 648 / 658
FirefoxFirefox
 95.89% 51,596 / 53,805 100.0% 7,436 / 7,436 — 0.0% 0 / 93 98.83% 5,910 / 5,980

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,233 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,403 / 844,596 99.78% 96,480 / 96,689 — 99.65% 637,967 / 640,214 98.34% 42,081 / 42,790
SafariSafari
 — 99.84% 46,848 / 46,923 99.98% 212,534 / 212,572 — —
EdgeEdge
 100.0% 140,087 / 140,091 100.0% 1,410 / 1,410 — 100.0% 4,183 / 4,183 98.61% 640 / 649
FirefoxFirefox
 99.98% 51,970 / 51,981 100.0% 7,198 / 7,198 — 0.0% 0 / 87 98.38% 5,641 / 5,734