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Codec: avc1.420414

3.35% Encoder Support
72,014 of 2,146,807 sessions supported encoding
99.81% Decoder Support
2,091,829 of 2,095,915 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 2,146,807 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.02% 216 / 867,801 0.15% 150 / 100,386 — 0.3% 1,946 / 648,078 0.97% 422 / 43,289
SafariSafari
 — 1.46% 701 / 47,925 1.84% 4,006 / 218,279 — —
EdgeEdge
 0.03% 43 / 144,561 0.0% 0 / 1,470 — 0.0% 0 / 4,141 0.0% 0 / 659
FirefoxFirefox
 95.98% 51,054 / 53,194 99.85% 7,340 / 7,351 — 0.0% 0 / 113 98.02% 5,951 / 6,071

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,095,915 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 845,200 / 845,379 99.8% 96,627 / 96,817 — 99.64% 635,853 / 638,127 98.3% 41,420 / 42,137
SafariSafari
 — 99.82% 46,480 / 46,563 99.98% 212,612 / 212,653 — —
EdgeEdge
 100.0% 140,530 / 140,536 100.0% 1,429 / 1,429 — 100.0% 4,058 / 4,058 99.24% 652 / 657
FirefoxFirefox
 99.97% 51,419 / 51,433 99.94% 7,121 / 7,125 — 0.98% 1 / 102 98.46% 5,748 / 5,838