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Codec: avc1.4d1032

98.89% Encoder Support
62,192 of 62,888 sessions supported encoding
99.96% Decoder Support
11,784 of 11,789 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 5
Maximum Resolution 4K (4096×2176)
Maximum Bitrate 135 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,888 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.21% 27,480 / 27,700 99.93% 4,264 / 4,267 97.4% 11,976 / 12,296 98.38% 1,582 / 1,608
SafariSafari
100.0% 1,669 / 1,669 100.0% 6,898 / 6,898
EdgeEdge
99.8% 5,035 / 5,045 100.0% 43 / 43 99.24% 131 / 132
FirefoxFirefox
95.32% 2,077 / 2,179 100.0% 284 / 284 98.89% 267 / 270

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,789 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
100.0% 5,183 / 5,183 99.85% 680 / 681 100.0% 2,237 / 2,237 99.24% 394 / 397
SafariSafari
100.0% 274 / 274 100.0% 1,341 / 1,341
EdgeEdge
100.0% 1,032 / 1,032 100.0% 42 / 42
FirefoxFirefox
100.0% 430 / 430 100.0% 43 / 43 100.0% 56 / 56