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Codec: avc1.64040b

3.26% Encoder Support
69,960 of 2,146,705 sessions supported encoding
99.8% Decoder Support
2,091,655 of 2,095,818 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 1.1
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 192 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,146,705 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 66 / 866,659 0.12% 122 / 100,862 — 0.02% 129 / 649,585 0.38% 167 / 43,577
SafariSafari
 — 1.58% 760 / 47,958 1.87% 4,068 / 217,682 — —
EdgeEdge
 0.0% 7 / 143,388 0.0% 0 / 1,498 — 0.0% 0 / 4,265 0.0% 0 / 666
FirefoxFirefox
 95.77% 51,284 / 53,548 99.91% 7,437 / 7,444 — 0.0% 0 / 112 98.14% 5,867 / 5,978

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,095,818 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 844,144 / 844,347 99.81% 96,962 / 97,146 — 99.64% 637,319 / 639,622 98.3% 41,657 / 42,377
SafariSafari
 — 99.83% 46,559 / 46,637 99.98% 212,052 / 212,098 — —
EdgeEdge
 100.0% 139,392 / 139,397 100.0% 1,455 / 1,455 — 100.0% 4,179 / 4,179 99.55% 657 / 660
FirefoxFirefox
 99.97% 51,724 / 51,739 99.94% 7,218 / 7,222 — 0.93% 1 / 107 98.31% 5,647 / 5,744