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Codec: hev1.2.4.L153.B0

14.17% Encoder Support
8,970 of 63,322 sessions supported encoding
75.22% Decoder Support
9,027 of 12,000 sessions supported decoding

Codec Specifications

Codec Family HEVC (H.265)
Profile Main 10
Level 5.1 (Main Tier)
Maximum Resolution 4K (4096×2176)
Maximum Bitrate 40 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,322 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 / 27,938 0.0% 0 / 4,392 — 0.0% 0 / 12,173 0.0% 0 / 1,603
SafariSafari
 — 95.45% 1,531 / 1,604 97.78% 6,975 / 7,133 — —
EdgeEdge
 0.0% 0 / 5,053 0.0% 0 / 56 — 0.0% 0 / 121 —
FirefoxFirefox
 0.0% 0 / 2,194 0.0% 0 / 263 — — 0.74% 2 / 271

VideoDecoder Support Matrix

Browser × Platform decoder support from 12,000 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 84.84% 4,461 / 5,258 96.24% 665 / 691 — 63.29% 1,438 / 2,272 35.4% 143 / 404
SafariSafari
 — 92.97% 238 / 256 97.57% 1,366 / 1,400 — —
EdgeEdge
 55.93% 604 / 1,080 — — 77.42% 24 / 31 —
FirefoxFirefox
 0.0% 0 / 400 0.0% 0 / 51 — — 0.0% 0 / 59