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Codec: avc1.4d0c34

84.71% Encoder Support
53,388 of 63,022 sessions supported encoding
99.92% Decoder Support
12,020 of 12,030 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 5.2
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,022 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.17% 27,594 / 27,825 99.88% 4,310 / 4,315 — 97.61% 11,887 / 12,178 97.91% 1,596 / 1,630
SafariSafari
 — 2.24% 37 / 1,649 1.86% 130 / 7,008 — —
EdgeEdge
 99.84% 5,007 / 5,015 98.0% 49 / 50 — 97.54% 119 / 122 —
FirefoxFirefox
 94.92% 2,037 / 2,146 100.0% 299 / 299 — 0.0% 0 / 10 98.93% 278 / 281

VideoDecoder Support Matrix

Browser × Platform decoder support from 12,030 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,290 / 5,291 99.85% 686 / 687 — 100.0% 2,333 / 2,333 98.83% 422 / 427
SafariSafari
 — 100.0% 270 / 270 100.0% 1,435 / 1,435 — —
EdgeEdge
 100.0% 965 / 965 100.0% 11 / 11 — 100.0% 34 / 34 —
FirefoxFirefox
 100.0% 392 / 392 100.0% 56 / 56 — — 100.0% 50 / 50