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Codec: avc1.641034

84.4% Encoder Support
53,229 of 63,071 sessions supported encoding
99.97% Decoder Support
11,868 of 11,872 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 5.2
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,071 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.12% 27,567 / 27,811 99.95% 4,403 / 4,405 96.16% 11,603 / 12,066 97.77% 1,491 / 1,525
SafariSafari
2.62% 42 / 1,606 1.9% 134 / 7,056
EdgeEdge
99.92% 5,123 / 5,127 97.87% 46 / 47 96.61% 114 / 118 100.0% 11 / 11
FirefoxFirefox
95.47% 2,088 / 2,187 100.0% 292 / 292 0.0% 0 / 12 98.59% 279 / 283

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,872 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.96% 5,137 / 5,139 100.0% 710 / 710 100.0% 2,207 / 2,207 100.0% 359 / 359
SafariSafari
100.0% 303 / 303 100.0% 1,457 / 1,457
EdgeEdge
100.0% 1,056 / 1,056 100.0% 38 / 38
FirefoxFirefox
100.0% 395 / 395 100.0% 47 / 47 100.0% 64 / 64