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Codec: hev1.2.4.H156.B0

13.45% Encoder Support
8,466 of 62,960 sessions supported encoding
74.2% Decoder Support
8,733 of 11,770 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 62,960 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 / 27,749 0.0% 0 / 4,372 — 0.0% 0 / 12,073 0.0% 0 / 1,638
SafariSafari
 — 89.19% 1,485 / 1,665 93.56% 6,553 / 7,004 — —
EdgeEdge
 0.0% 0 / 5,003 0.0% 0 / 56 — 0.0% 0 / 105 0.0% 0 / 10
FirefoxFirefox
 0.0% 0 / 2,225 0.0% 0 / 280 — 0.0% 0 / 10 0.0% 0 / 278

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,770 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 84.39% 4,359 / 5,165 96.9% 625 / 645 — 61.21% 1,354 / 2,212 34.62% 144 / 416
SafariSafari
 — 90.84% 238 / 262 93.71% 1,341 / 1,431 — —
EdgeEdge
 56.05% 570 / 1,017 — — 70.37% 19 / 27 —
FirefoxFirefox
 0.0% 0 / 401 0.0% 0 / 48 — — 0.0% 0 / 54