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Codec: avc1.4d083c

84.52% Encoder Support
53,506 of 63,302 sessions supported encoding
85.38% Decoder Support
10,229 of 11,981 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 6
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,302 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.14% 27,611 / 27,850 99.79% 4,374 / 4,383 — 97.38% 12,018 / 12,341 98.0% 1,519 / 1,550
SafariSafari
 — 3.07% 51 / 1,661 1.46% 104 / 7,115 — —
EdgeEdge
 99.9% 5,048 / 5,053 97.73% 43 / 44 — 98.86% 87 / 88 —
FirefoxFirefox
 95.29% 2,043 / 2,144 100.0% 266 / 266 — 0.0% 0 / 13 99.32% 294 / 296

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,981 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.94% 5,204 / 5,207 99.71% 689 / 691 — 99.65% 2,268 / 2,276 99.24% 393 / 396
SafariSafari
 — 4.44% 12 / 270 1.95% 28 / 1,434 — —
EdgeEdge
 100.0% 1,047 / 1,047 — — 100.0% 26 / 26 —
FirefoxFirefox
 100.0% 437 / 437 100.0% 53 / 53 — — 100.0% 54 / 54