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Codec: avc1.64103d

84.36% Encoder Support
53,235 of 63,108 sessions supported encoding
85.42% Decoder Support
10,238 of 11,986 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 63,108 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.15% 27,468 / 27,703 99.77% 4,276 / 4,286 — 96.21% 11,788 / 12,253 96.99% 1,581 / 1,630
SafariSafari
 — 2.1% 35 / 1,666 1.67% 117 / 7,022 — —
EdgeEdge
 99.86% 5,066 / 5,073 100.0% 56 / 56 — 94.79% 91 / 96 100.0% 13 / 13
FirefoxFirefox
 95.11% 2,079 / 2,186 100.0% 323 / 323 — 0.0% 0 / 13 99.04% 309 / 312

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,986 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,291 / 5,293 99.7% 671 / 673 — 99.73% 2,230 / 2,236 99.24% 392 / 395
SafariSafari
 — 2.26% 6 / 266 1.68% 24 / 1,432 — —
EdgeEdge
 100.0% 1,035 / 1,035 100.0% 13 / 13 — 100.0% 22 / 22 —
FirefoxFirefox
 100.0% 425 / 425 100.0% 64 / 64 — — 100.0% 55 / 55