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Codec: avc1.64143c

86.31% Encoder Support
277,018 of 320,973 sessions supported encoding
87.79% Decoder Support
236,939 of 269,884 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,973 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.26% 143,089 / 144,150 99.74% 19,735 / 19,787 — 96.35% 61,589 / 63,920 96.86% 7,531 / 7,775
SafariSafari
 — 1.9% 163 / 8,565 1.46% 454 / 31,065 — —
EdgeEdge
 99.82% 31,066 / 31,121 100.0% 417 / 417 — 98.8% 985 / 997 98.33% 59 / 60
FirefoxFirefox
 96.09% 9,311 / 9,690 100.0% 1,260 / 1,260 — 0.0% 0 / 33 98.77% 1,282 / 1,298

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,884 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 121,641 / 121,696 99.72% 16,084 / 16,129 — 99.85% 53,892 / 53,972 98.16% 6,444 / 6,565
SafariSafari
 — 1.83% 132 / 7,223 1.46% 373 / 25,515 — —
EdgeEdge
 99.98% 27,031 / 27,036 100.0% 368 / 368 — 100.0% 923 / 923 100.0% 53 / 53
FirefoxFirefox
 99.95% 7,861 / 7,865 99.9% 1,037 / 1,038 — 0.0% 0 / 25 99.06% 1,050 / 1,060