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Codec: hev1.2.4.H123.B0

14.02% Encoder Support
8,854 of 63,154 sessions supported encoding
74.47% Decoder Support
8,889 of 11,936 sessions supported decoding

Codec Specifications

Codec Family HEVC (H.265)
Profile Main 10
Level 4.1 (High Tier)
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,154 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 / 27,796 0.0% 0 / 4,327 — 0.0% 0 / 12,327 0.0% 0 / 1,604
SafariSafari
 — 96.41% 1,583 / 1,642 97.85% 6,778 / 6,927 — —
EdgeEdge
 0.0% 0 / 5,049 0.0% 0 / 53 — 0.0% 0 / 107 0.0% 0 / 11
FirefoxFirefox
 0.0% 0 / 2,220 0.0% 0 / 266 — 0.0% 0 / 13 1.09% 3 / 275

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,936 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 85.01% 4,458 / 5,244 96.45% 624 / 647 — 61.42% 1,371 / 2,232 35.09% 133 / 379
SafariSafari
 — 96.09% 270 / 281 97.31% 1,376 / 1,414 — —
EdgeEdge
 53.0% 548 / 1,034 — — 68.75% 22 / 32 —
FirefoxFirefox
 0.0% 0 / 476 0.0% 0 / 44 — — 0.0% 0 / 52