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Codec: hev1.1.6.L153.B0

73.66% Encoder Support
236,596 of 321,216 sessions supported encoding
85.04% Decoder Support
229,723 of 270,151 sessions supported decoding

Codec Specifications

Codec Family HEVC (H.265)
Profile Main
Level 5.1 (Main Tier)
Maximum Resolution 4K (4096×2176)
Maximum Bitrate 40 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 321,216 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 80.57% 116,431 / 144,518 95.9% 18,942 / 19,752 — 91.02% 58,257 / 64,002 43.54% 3,399 / 7,806
SafariSafari
 — 96.04% 8,212 / 8,551 98.02% 30,669 / 31,287 — —
EdgeEdge
 0.0% 1 / 30,956 0.28% 1 / 353 — 0.0% 0 / 913 0.0% 0 / 58
FirefoxFirefox
 0.01% 1 / 9,573 0.08% 1 / 1,330 — 0.0% 0 / 35 0.62% 8 / 1,284

VideoDecoder Support Matrix

Browser × Platform decoder support from 270,151 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 87.99% 107,331 / 121,976 96.73% 15,510 / 16,034 — 99.7% 53,956 / 54,119 63.27% 4,161 / 6,577
SafariSafari
 — 96.21% 6,947 / 7,221 98.08% 25,147 / 25,639 — —
EdgeEdge
 56.1% 15,168 / 27,038 97.76% 306 / 313 — 100.0% 841 / 841 48.08% 25 / 52
FirefoxFirefox
 0.03% 2 / 7,794 0.64% 7 / 1,100 — 0.0% 0 / 25 1.54% 16 / 1,036