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Codec: avc1.640c33

98.45% Encoder Support
2,114,923 of 2,148,256 sessions supported encoding
99.8% Decoder Support
2,092,893 of 2,097,036 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 5.1
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,256 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.37% 861,961 / 867,404 99.75% 100,551 / 100,798 — 96.5% 626,237 / 648,936 96.37% 42,143 / 43,730
SafariSafari
 — 99.75% 48,194 / 48,315 99.98% 218,144 / 218,186 — —
EdgeEdge
 99.85% 143,560 / 143,769 100.0% 1,455 / 1,455 — 98.46% 4,038 / 4,101 98.96% 668 / 675
FirefoxFirefox
 95.9% 51,510 / 53,710 99.97% 7,543 / 7,545 — 0.0% 0 / 113 98.71% 5,962 / 6,040

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,036 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,529 / 844,740 99.8% 96,870 / 97,065 — 99.64% 636,797 / 639,085 98.33% 41,807 / 42,515
SafariSafari
 — 99.84% 46,859 / 46,934 99.98% 212,576 / 212,618 — —
EdgeEdge
 99.99% 139,752 / 139,759 100.0% 1,400 / 1,400 — 100.0% 4,034 / 4,034 99.4% 665 / 669
FirefoxFirefox
 99.95% 51,908 / 51,934 99.96% 7,300 / 7,303 — 0.0% 0 / 103 98.42% 5,726 / 5,818