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Codec: avc1.4d0434

84.66% Encoder Support
53,162 of 62,797 sessions supported encoding
99.93% Decoder Support
11,863 of 11,871 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 62,797 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.25% 27,457 / 27,665 99.91% 4,263 / 4,267 — 97.56% 11,892 / 12,189 97.97% 1,544 / 1,576
SafariSafari
 — 2.23% 37 / 1,657 1.67% 117 / 7,015 — —
EdgeEdge
 99.86% 4,961 / 4,968 100.0% 52 / 52 — 99.19% 122 / 123 —
FirefoxFirefox
 95.29% 2,102 / 2,206 100.0% 276 / 276 — — 98.66% 294 / 298

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,871 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,112 / 5,114 99.85% 662 / 663 — 100.0% 2,297 / 2,297 98.73% 388 / 393
SafariSafari
 — 100.0% 299 / 299 100.0% 1,437 / 1,437 — —
EdgeEdge
 100.0% 1,019 / 1,019 100.0% 12 / 12 — 100.0% 35 / 35 —
FirefoxFirefox
 100.0% 406 / 406 100.0% 46 / 46 — — 100.0% 65 / 65