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Codec: avc1.420c3e

85.3% Encoder Support
54,183 of 63,524 sessions supported encoding
85.64% Decoder Support
10,176 of 11,882 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 63,524 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.71% 27,726 / 27,806 99.87% 4,463 / 4,469 — 99.58% 12,235 / 12,286 98.21% 1,642 / 1,672
SafariSafari
 — 1.97% 34 / 1,726 1.59% 112 / 7,053 — —
EdgeEdge
 100.0% 5,137 / 5,137 100.0% 44 / 44 — 100.0% 111 / 111 —
FirefoxFirefox
 95.22% 2,051 / 2,154 100.0% 291 / 291 — 0.0% 0 / 11 99.66% 291 / 292

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,882 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,260 / 5,262 100.0% 707 / 707 — 99.59% 2,170 / 2,179 99.27% 407 / 410
SafariSafari
 — 4.15% 12 / 289 1.82% 25 / 1,375 — —
EdgeEdge
 100.0% 1,057 / 1,057 — — 100.0% 26 / 26 —
FirefoxFirefox
 100.0% 391 / 391 100.0% 46 / 46 — — 100.0% 57 / 57