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Codec: avc1.4d000a

15.55% Encoder Support
334,435 of 2,150,438 sessions supported encoding
99.81% Decoder Support
2,095,210 of 2,099,231 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 1
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 64 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,150,438 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 73 / 868,755 0.12% 119 / 100,394 — 0.03% 204 / 649,864 0.32% 139 / 43,852
SafariSafari
 — 99.71% 48,037 / 48,179 99.97% 218,646 / 218,711 — —
EdgeEdge
 0.0% 3 / 143,833 0.07% 1 / 1,479 — 0.0% 0 / 4,250 0.15% 1 / 674
FirefoxFirefox
 95.85% 51,280 / 53,498 99.96% 7,577 / 7,580 — 0.0% 0 / 99 97.97% 5,750 / 5,869

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,099,231 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 846,029 / 846,227 99.8% 96,529 / 96,718 — 99.65% 637,757 / 639,984 98.35% 41,897 / 42,599
SafariSafari
 — 99.82% 46,671 / 46,757 99.98% 212,983 / 213,029 — —
EdgeEdge
 99.99% 139,871 / 139,880 100.0% 1,442 / 1,442 — 100.0% 4,171 / 4,171 98.8% 658 / 666
FirefoxFirefox
 99.97% 51,687 / 51,705 99.97% 7,337 / 7,339 — 0.0% 0 / 85 98.53% 5,551 / 5,634