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Codec: hev1.2.4.L123.B0

12.46% Encoder Support
267,739 of 2,148,373 sessions supported encoding
70.89% Decoder Support
1,486,728 of 2,097,169 sessions supported decoding

Codec Specifications

Codec Family HEVC (H.265)
Profile Main 10
Level 4.1 (Main Tier)
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 20 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,373 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.51% 4,429 / 867,111 0.0% 0 / 100,525 — 0.0% 0 / 649,766 0.0% 0 / 44,193
SafariSafari
 — 97.78% 47,069 / 48,139 97.85% 213,665 / 218,351 — —
EdgeEdge
 0.0% 0 / 143,588 0.0% 0 / 1,432 — 0.0% 0 / 4,192 0.0% 0 / 672
FirefoxFirefox
 0.0% 0 / 53,308 0.0% 0 / 7,515 — 0.0% 0 / 119 0.66% 40 / 6,061

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,169 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 82.37% 695,675 / 844,555 96.62% 93,520 / 96,796 — 52.44% 335,541 / 639,845 49.27% 21,158 / 42,947
SafariSafari
 — 97.84% 45,781 / 46,792 97.86% 208,258 / 212,813 — —
EdgeEdge
 56.85% 79,328 / 139,529 98.41% 1,364 / 1,386 — 78.63% 3,237 / 4,117 72.97% 486 / 666
FirefoxFirefox
 0.02% 9 / 51,524 0.7% 51 / 7,244 — 0.9% 1 / 111 1.95% 114 / 5,847