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Codec: avc1.64043c

84.23% Encoder Support
53,273 of 63,245 sessions supported encoding
84.93% Decoder Support
10,203 of 12,013 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 63,245 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.14% 27,535 / 27,774 99.72% 4,288 / 4,300 — 96.39% 11,876 / 12,321 97.46% 1,536 / 1,576
SafariSafari
 — 2.82% 47 / 1,665 1.7% 121 / 7,129 — —
EdgeEdge
 99.84% 5,003 / 5,011 100.0% 56 / 56 — 100.0% 88 / 88 —
FirefoxFirefox
 94.64% 2,082 / 2,200 100.0% 302 / 302 — 0.0% 0 / 13 98.98% 292 / 295

VideoDecoder Support Matrix

Browser × Platform decoder support from 12,013 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,260 / 5,262 99.85% 664 / 665 — 99.82% 2,256 / 2,260 98.93% 369 / 373
SafariSafari
 — 3.51% 10 / 285 2.04% 30 / 1,473 — —
EdgeEdge
 100.0% 1,040 / 1,040 — — 100.0% 14 / 14 —
FirefoxFirefox
 99.77% 432 / 433 100.0% 43 / 43 — — 100.0% 65 / 65