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Codec: hev1.2.4.H123.B0

12.49% Encoder Support
268,251 of 2,148,231 sessions supported encoding
70.87% Decoder Support
1,486,070 of 2,096,988 sessions supported decoding

Codec Specifications

Codec Family HEVC (H.265)
Profile Main 10
Level 4.1 (High Tier)
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,231 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.53% 4,612 / 867,348 0.0% 0 / 100,690 — 0.0% 0 / 649,019 0.0% 0 / 43,628
SafariSafari
 — 97.72% 47,088 / 48,186 97.85% 213,884 / 218,577 — —
EdgeEdge
 0.0% 0 / 143,664 0.07% 1 / 1,528 — 0.0% 0 / 4,230 0.0% 0 / 685
FirefoxFirefox
 0.0% 0 / 53,698 0.0% 0 / 7,345 — 0.0% 0 / 114 0.73% 44 / 5,996

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,988 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 82.36% 695,800 / 844,793 96.63% 93,741 / 97,010 — 52.38% 334,681 / 638,924 49.05% 20,799 / 42,403
SafariSafari
 — 97.78% 45,778 / 46,819 97.85% 208,472 / 213,049 — —
EdgeEdge
 56.66% 79,131 / 139,649 98.79% 1,466 / 1,484 — 79.16% 3,289 / 4,155 74.04% 502 / 678
FirefoxFirefox
 0.01% 7 / 51,954 0.76% 54 / 7,123 — 0.97% 1 / 103 1.87% 108 / 5,772