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Codec: avc1.42043d

85.44% Encoder Support
53,790 of 62,957 sessions supported encoding
85.82% Decoder Support
10,230 of 11,920 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,957 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.73% 27,709 / 27,784 99.86% 4,356 / 4,362 — 99.66% 12,248 / 12,290 98.13% 1,575 / 1,605
SafariSafari
 — 2.75% 43 / 1,564 1.79% 126 / 7,033 — —
EdgeEdge
 100.0% 4,857 / 4,857 100.0% 43 / 43 — 100.0% 118 / 118 —
FirefoxFirefox
 95.72% 2,079 / 2,172 100.0% 272 / 272 — 0.0% 0 / 10 99.68% 310 / 311

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,920 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,230 / 5,232 99.55% 669 / 672 — 99.78% 2,311 / 2,316 98.17% 375 / 382
SafariSafari
 — 4.2% 10 / 238 2.42% 34 / 1,407 — —
EdgeEdge
 100.0% 1,047 / 1,047 — — 100.0% 38 / 38 —
FirefoxFirefox
 99.75% 393 / 394 100.0% 51 / 51 — — 100.0% 52 / 52