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Codec: hev1.2.4.H153.B0

12.32% Encoder Support
39,623 of 321,551 sessions supported encoding
75.47% Decoder Support
203,764 of 270,006 sessions supported decoding

Codec Specifications

Codec Family HEVC (H.265)
Profile Main 10
Level 5.1 (High Tier)
Maximum Resolution 4K (4096×2176)
Maximum Bitrate 160 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 321,551 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 / 144,717 0.0% 0 / 19,602 — 0.0% 0 / 63,819 0.0% 0 / 7,716
SafariSafari
 — 96.13% 8,331 / 8,666 98.01% 30,654 / 31,275 — —
EdgeEdge
 0.0% 0 / 31,146 0.29% 1 / 346 — 0.0% 0 / 887 0.0% 0 / 56
FirefoxFirefox
 0.0% 0 / 9,871 0.0% 0 / 1,309 — 0.0% 0 / 35 0.44% 6 / 1,353

VideoDecoder Support Matrix

Browser × Platform decoder support from 270,006 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 84.25% 102,833 / 122,056 96.73% 15,403 / 15,924 — 63.32% 34,087 / 53,831 45.02% 2,899 / 6,440
SafariSafari
 — 96.17% 6,974 / 7,252 98.05% 25,185 / 25,687 — —
EdgeEdge
 55.72% 15,074 / 27,053 98.37% 301 / 306 — 82.4% 674 / 818 48.98% 24 / 49
FirefoxFirefox
 0.01% 1 / 8,008 0.65% 7 / 1,083 — 0.0% 0 / 26 1.44% 16 / 1,114