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Codec: avc1.4d143e

86.59% Encoder Support
277,628 of 320,624 sessions supported encoding
87.81% Decoder Support
236,872 of 269,759 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 6.2
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 800 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,624 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.26% 143,083 / 144,146 99.76% 19,862 / 19,910 — 97.58% 62,253 / 63,797 97.71% 7,585 / 7,763
SafariSafari
 — 2.06% 173 / 8,404 1.42% 441 / 31,147 — —
EdgeEdge
 99.8% 30,834 / 30,896 99.71% 345 / 346 — 99.19% 980 / 988 98.46% 64 / 65
FirefoxFirefox
 95.97% 9,302 / 9,693 100.0% 1,332 / 1,332 — 0.0% 0 / 32 98.99% 1,274 / 1,287

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,759 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.95% 121,682 / 121,743 99.74% 16,198 / 16,241 — 99.82% 53,697 / 53,794 98.58% 6,465 / 6,558
SafariSafari
 — 2.01% 141 / 7,027 1.41% 363 / 25,709 — —
EdgeEdge
 99.97% 26,929 / 26,936 100.0% 301 / 301 — 100.0% 913 / 913 98.25% 56 / 57
FirefoxFirefox
 99.9% 7,918 / 7,926 100.0% 1,096 / 1,096 — 0.0% 0 / 24 99.33% 1,039 / 1,046