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Codec: hev1.1.6.H153.B0

73.53% Encoder Support
235,612 of 320,428 sessions supported encoding
84.9% Decoder Support
228,703 of 269,375 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,428 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 80.56% 116,005 / 144,007 95.88% 18,747 / 19,552 — 90.73% 57,915 / 63,833 43.91% 3,402 / 7,747
SafariSafari
 — 96.06% 8,140 / 8,474 98.08% 30,712 / 31,312 — —
EdgeEdge
 0.01% 3 / 31,019 0.6% 2 / 334 — 0.0% 0 / 969 0.0% 0 / 60
FirefoxFirefox
 0.0% 0 / 9,700 0.08% 1 / 1,266 — 0.0% 0 / 34 1.13% 15 / 1,333

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,375 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 87.85% 106,699 / 121,454 96.66% 15,365 / 15,896 — 99.66% 53,696 / 53,878 63.37% 4,128 / 6,514
SafariSafari
 — 96.04% 6,865 / 7,148 98.14% 25,250 / 25,728 — —
EdgeEdge
 56.01% 15,137 / 27,024 97.67% 294 / 301 — 100.0% 895 / 895 57.89% 33 / 57
FirefoxFirefox
 0.04% 3 / 7,943 0.58% 6 / 1,030 — 0.0% 0 / 25 1.74% 19 / 1,095