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Codec: hev1.2.4.L63.B0

12.49% Encoder Support
268,333 of 2,148,961 sessions supported encoding
70.9% Decoder Support
1,487,447 of 2,098,018 sessions supported decoding

Codec Specifications

Codec Family HEVC (H.265)
Profile Main 10
Level 2.1 (Main Tier)
Maximum Resolution SD (512×480)
Maximum Bitrate 3 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,961 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.53% 4,563 / 868,120 0.0% 0 / 101,149 — 0.0% 0 / 649,513 0.0% 0 / 43,616
SafariSafari
 — 97.82% 47,230 / 48,282 97.8% 213,944 / 218,756 — —
EdgeEdge
 0.0% 0 / 142,882 0.0% 0 / 1,447 — 0.0% 0 / 4,250 0.0% 0 / 664
FirefoxFirefox
 0.0% 0 / 53,364 0.0% 0 / 7,365 — 0.0% 0 / 104 0.68% 41 / 6,017

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,098,018 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 82.36% 696,491 / 845,667 96.62% 94,192 / 97,490 — 52.45% 335,424 / 639,539 48.84% 20,713 / 42,407
SafariSafari
 — 97.87% 45,924 / 46,924 97.8% 208,466 / 213,150 — —
EdgeEdge
 56.59% 78,633 / 138,940 98.86% 1,393 / 1,409 — 80.0% 3,343 / 4,179 71.17% 469 / 659
FirefoxFirefox
 0.0% 1 / 51,618 0.95% 68 / 7,130 — 0.0% 0 / 97 2.03% 118 / 5,801