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Codec: avc1.4d0034

98.97% Encoder Support
317,484 of 320,778 sessions supported encoding
99.94% Decoder Support
269,537 of 269,709 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 5.2
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,778 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.28% 143,020 / 144,064 99.89% 19,668 / 19,690 — 97.58% 62,379 / 63,925 97.85% 7,542 / 7,708
SafariSafari
 — 99.93% 8,488 / 8,494 99.99% 31,356 / 31,358 — —
EdgeEdge
 99.83% 30,984 / 31,036 100.0% 380 / 380 — 99.69% 969 / 972 98.28% 57 / 58
FirefoxFirefox
 96.02% 9,237 / 9,620 100.0% 1,332 / 1,332 — 0.0% 0 / 37 99.24% 1,303 / 1,313

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,709 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 121,543 / 121,569 99.89% 16,031 / 16,048 — 99.99% 53,896 / 53,904 98.95% 6,400 / 6,468
SafariSafari
 — 99.92% 7,143 / 7,149 100.0% 25,763 / 25,764 — —
EdgeEdge
 100.0% 27,064 / 27,064 100.0% 338 / 338 — 100.0% 895 / 895 98.08% 51 / 52
FirefoxFirefox
 99.97% 7,881 / 7,883 100.0% 1,088 / 1,088 — 0.0% 0 / 26 99.54% 1,071 / 1,076