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Codec: avc1.641434

86.34% Encoder Support
277,192 of 321,034 sessions supported encoding
99.93% Decoder Support
269,993 of 270,189 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 321,034 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.25% 143,406 / 144,493 99.89% 19,780 / 19,801 — 96.36% 61,547 / 63,874 97.49% 7,546 / 7,740
SafariSafari
 — 1.85% 158 / 8,554 1.47% 456 / 31,029 — —
EdgeEdge
 99.8% 30,910 / 30,971 100.0% 372 / 372 — 98.39% 919 / 934 100.0% 68 / 68
FirefoxFirefox
 95.85% 9,376 / 9,782 100.0% 1,292 / 1,292 — 0.0% 0 / 36 98.21% 1,260 / 1,283

VideoDecoder Support Matrix

Browser × Platform decoder support from 270,189 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,984 / 122,021 99.93% 16,102 / 16,114 — 99.98% 53,955 / 53,965 98.98% 6,505 / 6,572
SafariSafari
 — 99.92% 7,200 / 7,206 99.98% 25,506 / 25,510 — —
EdgeEdge
 100.0% 27,078 / 27,078 100.0% 333 / 333 — 100.0% 862 / 862 100.0% 62 / 62
FirefoxFirefox
 99.99% 7,937 / 7,938 100.0% 1,045 / 1,045 — 0.0% 0 / 28 99.15% 1,047 / 1,056