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Codec: avc1.42143d

85.19% Encoder Support
53,592 of 62,912 sessions supported encoding
85.06% Decoder Support
10,165 of 11,950 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 6.1
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 480 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,912 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.72% 27,601 / 27,678 99.73% 4,360 / 4,372 — 99.53% 12,097 / 12,154 98.58% 1,595 / 1,618
SafariSafari
 — 2.73% 46 / 1,687 1.88% 132 / 7,030 — —
EdgeEdge
 100.0% 4,876 / 4,876 100.0% 53 / 53 — 100.0% 112 / 112 —
FirefoxFirefox
 95.23% 2,078 / 2,182 100.0% 288 / 288 — 0.0% 0 / 10 99.33% 298 / 300

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,950 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,231 / 5,232 99.71% 691 / 693 — 99.59% 2,185 / 2,194 99.74% 381 / 382
SafariSafari
 — 3.89% 11 / 283 2.33% 34 / 1,462 — —
EdgeEdge
 100.0% 1,044 / 1,044 100.0% 11 / 11 — 100.0% 31 / 31 —
FirefoxFirefox
 100.0% 417 / 417 100.0% 47 / 47 — — 100.0% 63 / 63