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Codec: hev1.2.4.H156.B0

11.94% Encoder Support
256,657 of 2,149,038 sessions supported encoding
70.33% Decoder Support
1,475,322 of 2,097,826 sessions supported decoding

Codec Specifications

Codec Family HEVC (H.265)
Profile Main 10
Level 5.2 (High Tier)
Maximum Resolution 4K (4096×2176)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,149,038 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.51% 4,456 / 867,571 0.0% 0 / 100,559 — 0.0% 0 / 649,872 0.0% 0 / 43,321
SafariSafari
 — 92.64% 44,941 / 48,513 93.83% 204,665 / 218,134 — —
EdgeEdge
 0.0% 0 / 143,903 0.07% 1 / 1,469 — 0.0% 0 / 4,201 0.0% 0 / 709
FirefoxFirefox
 0.0% 0 / 53,741 0.0% 0 / 7,496 — 0.0% 0 / 118 0.69% 41 / 5,952

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,826 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 82.3% 695,416 / 844,987 96.57% 93,511 / 96,832 — 52.4% 335,368 / 640,011 49.4% 20,799 / 42,099
SafariSafari
 — 92.76% 43,690 / 47,100 93.83% 199,444 / 212,549 — —
EdgeEdge
 56.8% 79,478 / 139,917 98.24% 1,396 / 1,421 — 79.82% 3,291 / 4,123 73.86% 520 / 704
FirefoxFirefox
 0.01% 4 / 51,917 0.65% 47 / 7,264 — 0.0% 0 / 108 1.99% 114 / 5,728