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Codec: avc1.64043c

86.1% Encoder Support
1,849,548 of 2,148,112 sessions supported encoding
87.38% Decoder Support
1,832,188 of 2,096,857 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 6
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,112 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.37% 860,600 / 866,061 99.64% 100,242 / 100,606 — 96.53% 626,945 / 649,500 95.91% 41,872 / 43,658
SafariSafari
 — 1.52% 731 / 48,233 1.8% 3,936 / 219,083 — —
EdgeEdge
 99.84% 143,543 / 143,775 100.0% 1,433 / 1,433 — 98.61% 4,245 / 4,305 99.26% 671 / 676
FirefoxFirefox
 96.01% 51,586 / 53,732 99.97% 7,487 / 7,489 — 0.0% 0 / 111 98.9% 5,913 / 5,979

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,857 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 843,146 / 843,544 99.64% 96,618 / 96,971 — 99.36% 635,343 / 639,439 97.34% 41,325 / 42,455
SafariSafari
 — 1.6% 748 / 46,847 1.8% 3,841 / 213,415 — —
EdgeEdge
 99.97% 139,761 / 139,804 100.0% 1,386 / 1,386 — 100.0% 4,231 / 4,231 99.4% 668 / 672
FirefoxFirefox
 99.95% 51,937 / 51,965 99.85% 7,219 / 7,230 — 0.0% 0 / 100 98.17% 5,644 / 5,749