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Codec: avc1.4d143c

84.66% Encoder Support
53,609 of 63,321 sessions supported encoding
85.43% Decoder Support
10,157 of 11,889 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,321 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.23% 27,716 / 27,932 99.86% 4,261 / 4,267 97.45% 11,901 / 12,212 98.23% 1,611 / 1,640
SafariSafari
2.18% 35 / 1,609 1.46% 103 / 7,075
EdgeEdge
99.83% 5,165 / 5,174 100.0% 36 / 36 100.0% 110 / 110
FirefoxFirefox
95.17% 2,071 / 2,176 100.0% 267 / 267 98.97% 289 / 292

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,889 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.98% 5,204 / 5,205 99.7% 666 / 668 99.78% 2,247 / 2,252 99.51% 403 / 405
SafariSafari
2.86% 7 / 245 1.89% 27 / 1,432
EdgeEdge
100.0% 1,058 / 1,058 100.0% 40 / 40
FirefoxFirefox
100.0% 394 / 394 100.0% 46 / 46 100.0% 54 / 54