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Codec: avc1.4d043d

84.55% Encoder Support
53,259 of 62,990 sessions supported encoding
85.44% Decoder Support
10,226 of 11,968 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,990 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.23% 27,550 / 27,764 99.73% 4,353 / 4,365 — 97.39% 11,843 / 12,161 98.06% 1,517 / 1,547
SafariSafari
 — 2.44% 40 / 1,637 1.64% 116 / 7,091 — —
EdgeEdge
 99.96% 4,991 / 4,993 100.0% 50 / 50 — 99.11% 111 / 112 —
FirefoxFirefox
 95.34% 2,065 / 2,166 100.0% 276 / 276 — 0.0% 0 / 13 99.67% 299 / 300

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,968 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,290 / 5,291 99.7% 668 / 670 — 99.56% 2,256 / 2,266 98.77% 400 / 405
SafariSafari
 — 2.89% 8 / 277 2.14% 30 / 1,405 — —
EdgeEdge
 100.0% 998 / 998 — — 100.0% 30 / 30 —
FirefoxFirefox
 99.76% 413 / 414 100.0% 53 / 53 — — 100.0% 65 / 65