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Codec: hev1.1.6.H156.B0

73.09% Encoder Support
234,671 of 321,074 sessions supported encoding
84.49% Decoder Support
228,387 of 270,308 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 321,074 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 80.52% 116,403 / 144,564 96.05% 19,029 / 19,812 — 91.02% 57,893 / 63,603 43.21% 3,347 / 7,745
SafariSafari
 — 91.21% 7,696 / 8,438 95.0% 29,628 / 31,189 — —
EdgeEdge
 0.0% 1 / 31,093 0.25% 1 / 393 — 0.0% 0 / 946 1.89% 1 / 53
FirefoxFirefox
 0.0% 0 / 9,742 0.08% 1 / 1,314 — 0.0% 0 / 30 1.04% 14 / 1,352

VideoDecoder Support Matrix

Browser × Platform decoder support from 270,308 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 87.92% 107,391 / 122,152 96.9% 15,670 / 16,172 — 99.67% 53,611 / 53,787 62.98% 4,107 / 6,521
SafariSafari
 — 91.54% 6,534 / 7,138 95.17% 24,352 / 25,589 — —
EdgeEdge
 55.82% 15,161 / 27,161 97.98% 339 / 346 — 100.0% 863 / 863 48.0% 24 / 50
FirefoxFirefox
 0.01% 1 / 7,928 0.56% 6 / 1,073 — 0.0% 0 / 23 2.14% 24 / 1,123