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Codec: avc1.64143d

86.17% Encoder Support
276,461 of 320,839 sessions supported encoding
87.72% Decoder Support
236,743 of 269,897 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 6.1
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 480 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,839 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.25% 143,173 / 144,256 99.77% 19,583 / 19,628 — 96.21% 61,145 / 63,554 97.0% 7,563 / 7,797
SafariSafari
 — 2.06% 177 / 8,573 1.49% 469 / 31,454 — —
EdgeEdge
 99.8% 30,921 / 30,984 99.7% 337 / 338 — 97.89% 928 / 948 98.15% 53 / 54
FirefoxFirefox
 96.11% 9,447 / 9,829 100.0% 1,331 / 1,331 — 0.0% 0 / 30 98.81% 1,248 / 1,263

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,897 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.94% 121,918 / 121,986 99.75% 15,902 / 15,942 — 99.83% 53,419 / 53,512 98.36% 6,486 / 6,594
SafariSafari
 — 1.9% 136 / 7,165 1.46% 377 / 25,837 — —
EdgeEdge
 99.96% 27,064 / 27,076 100.0% 291 / 291 — 100.0% 880 / 880 98.08% 51 / 52
FirefoxFirefox
 99.98% 8,032 / 8,034 100.0% 1,089 / 1,089 — 0.0% 0 / 21 99.43% 1,046 / 1,052