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Codec: hev1.2.4.L153.B0

12.36% Encoder Support
39,614 of 320,568 sessions supported encoding
75.37% Decoder Support
202,918 of 269,216 sessions supported decoding

Codec Specifications

Codec Family HEVC (H.265)
Profile Main 10
Level 5.1 (Main Tier)
Maximum Resolution 4K (4096×2176)
Maximum Bitrate 40 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,568 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 / 144,106 0.0% 0 / 19,630 — 0.0% 0 / 63,529 0.0% 0 / 7,879
SafariSafari
 — 96.11% 8,129 / 8,458 98.05% 30,794 / 31,407 — —
EdgeEdge
 0.0% 0 / 30,928 0.0% 0 / 367 — 0.0% 0 / 1,003 0.0% 0 / 56
FirefoxFirefox
 0.0% 0 / 9,811 0.0% 0 / 1,264 — 0.0% 0 / 29 0.85% 11 / 1,292

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,216 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 84.08% 102,089 / 121,422 96.82% 15,422 / 15,929 — 63.14% 33,859 / 53,628 45.52% 3,041 / 6,680
SafariSafari
 — 96.18% 6,831 / 7,102 98.13% 25,176 / 25,656 — —
EdgeEdge
 55.87% 15,061 / 26,955 97.48% 309 / 317 — 84.23% 769 / 913 53.7% 29 / 54
FirefoxFirefox
 0.0% 0 / 8,017 0.38% 4 / 1,052 — 0.0% 0 / 23 1.76% 19 / 1,080