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Codec: hev1.2.4.H156.B0

11.87% Encoder Support
38,140 of 321,275 sessions supported encoding
74.97% Decoder Support
202,469 of 270,064 sessions supported decoding

Codec Specifications

Codec Family HEVC (H.265)
Profile Main 10
Level 5.2 (High Tier)
Maximum Resolution 4K (4096×2176)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 321,275 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.0% 0 / 144,391 0.0% 0 / 19,840 — 0.0% 0 / 63,696 0.0% 0 / 7,791
SafariSafari
 — 91.1% 7,840 / 8,606 94.79% 29,632 / 31,260 — —
EdgeEdge
 0.0% 0 / 31,122 0.0% 0 / 359 — 0.0% 0 / 982 0.0% 0 / 58
FirefoxFirefox
 0.0% 0 / 9,738 0.0% 0 / 1,317 — 0.0% 0 / 25 1.01% 13 / 1,283

VideoDecoder Support Matrix

Browser × Platform decoder support from 270,064 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 83.97% 102,276 / 121,807 96.75% 15,590 / 16,113 — 63.09% 33,967 / 53,835 45.7% 3,002 / 6,569
SafariSafari
 — 91.55% 6,586 / 7,194 95.07% 24,410 / 25,675 — —
EdgeEdge
 56.01% 15,200 / 27,136 98.39% 306 / 311 — 85.4% 772 / 904 37.74% 20 / 53
FirefoxFirefox
 0.01% 1 / 7,914 0.74% 8 / 1,085 — 0.0% 0 / 15 1.98% 21 / 1,059