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Codec: avc1.4d1034

98.88% Encoder Support
62,067 of 62,767 sessions supported encoding
99.94% Decoder Support
11,757 of 11,764 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,767 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.21% 27,341 / 27,560 99.93% 4,369 / 4,372 97.44% 11,904 / 12,217 97.93% 1,612 / 1,646
SafariSafari
99.94% 1,676 / 1,677 100.0% 6,984 / 6,984
EdgeEdge
99.86% 4,964 / 4,971 100.0% 47 / 47 97.06% 99 / 102 100.0% 11 / 11
FirefoxFirefox
95.1% 2,039 / 2,144 100.0% 288 / 288 0.0% 0 / 10 99.65% 282 / 283

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,764 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
100.0% 5,217 / 5,217 99.85% 673 / 674 100.0% 2,211 / 2,211 99.04% 411 / 415
SafariSafari
100.0% 256 / 256 100.0% 1,390 / 1,390
EdgeEdge
100.0% 1,014 / 1,014 100.0% 13 / 13 100.0% 29 / 29
FirefoxFirefox
100.0% 378 / 378 100.0% 40 / 40 100.0% 59 / 59