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Codec: avc1.421414

3.38% Encoder Support
72,589 of 2,146,870 sessions supported encoding
99.8% Decoder Support
2,091,839 of 2,095,949 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 2
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 2 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,146,870 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.03% 253 / 867,424 0.17% 173 / 100,400 — 0.31% 2,018 / 648,477 0.92% 407 / 44,001
SafariSafari
 — 1.47% 712 / 48,275 1.84% 4,015 / 217,711 — —
EdgeEdge
 0.02% 31 / 143,461 0.0% 0 / 1,463 — 0.0% 0 / 4,261 0.15% 1 / 646
FirefoxFirefox
 95.8% 51,382 / 53,632 99.85% 7,509 / 7,520 — 0.0% 0 / 106 98.01% 5,924 / 6,044

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,095,949 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,777 / 844,979 99.8% 96,608 / 96,799 — 99.65% 636,382 / 638,613 98.24% 42,013 / 42,765
SafariSafari
 — 99.85% 46,847 / 46,917 99.97% 212,077 / 212,143 — —
EdgeEdge
 100.0% 139,439 / 139,444 100.0% 1,423 / 1,423 — 100.0% 4,182 / 4,182 99.22% 638 / 643
FirefoxFirefox
 99.96% 51,814 / 51,835 99.99% 7,278 / 7,279 — 0.0% 0 / 93 98.42% 5,718 / 5,810