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Codec: avc1.64143c

84.43% Encoder Support
53,169 of 62,975 sessions supported encoding
85.08% Decoder Support
10,139 of 11,917 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 62,975 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.17% 27,455 / 27,686 99.79% 4,307 / 4,316 — 96.18% 11,700 / 12,165 97.26% 1,563 / 1,607
SafariSafari
 — 2.24% 36 / 1,609 1.52% 106 / 6,971 — —
EdgeEdge
 99.84% 5,111 / 5,119 100.0% 59 / 59 — 96.43% 108 / 112 90.91% 10 / 11
FirefoxFirefox
 94.22% 2,119 / 2,249 100.0% 266 / 266 — 0.0% 0 / 10 99.0% 296 / 299

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,917 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,233 / 5,234 99.54% 655 / 658 — 99.64% 2,209 / 2,217 98.74% 392 / 397
SafariSafari
 — 1.82% 5 / 274 1.73% 25 / 1,443 — —
EdgeEdge
 100.0% 1,034 / 1,034 100.0% 10 / 10 — 100.0% 38 / 38 —
FirefoxFirefox
 100.0% 424 / 424 100.0% 44 / 44 — — 100.0% 61 / 61