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Codec: hev1.2.4.L123.B0

12.4% Encoder Support
39,806 of 320,920 sessions supported encoding
75.44% Decoder Support
203,482 of 269,716 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 320,920 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 / 144,338 0.0% 0 / 19,692 — 0.0% 0 / 63,435 0.0% 0 / 7,939
SafariSafari
 — 97.31% 8,333 / 8,563 98.11% 30,800 / 31,394 — —
EdgeEdge
 0.0% 0 / 30,909 0.0% 0 / 346 — 0.0% 0 / 970 0.0% 0 / 59
FirefoxFirefox
 0.0% 0 / 9,795 0.0% 0 / 1,373 — 0.0% 0 / 45 1.18% 15 / 1,266

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,716 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 84.09% 102,408 / 121,782 96.67% 15,431 / 15,963 — 62.93% 33,679 / 53,514 45.03% 3,014 / 6,693
SafariSafari
 — 97.49% 7,035 / 7,216 98.21% 25,392 / 25,856 — —
EdgeEdge
 56.36% 15,134 / 26,850 99.0% 297 / 300 — 82.12% 735 / 895 33.96% 18 / 53
FirefoxFirefox
 0.01% 1 / 8,011 0.64% 7 / 1,102 — 0.0% 0 / 37 2.76% 29 / 1,052