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Codec: avc1.4d141f

86.44% Encoder Support
1,857,620 of 2,149,081 sessions supported encoding
99.81% Decoder Support
2,093,953 of 2,097,991 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 3.1
Maximum Resolution HD ready (1024×960)
Maximum Bitrate 14 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,149,081 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.4% 863,072 / 868,305 99.76% 100,209 / 100,450 — 97.37% 632,280 / 649,371 96.59% 42,190 / 43,678
SafariSafari
 — 1.51% 724 / 48,019 1.85% 4,039 / 218,452 — —
EdgeEdge
 99.85% 143,626 / 143,839 99.86% 1,451 / 1,453 — 99.26% 4,178 / 4,209 99.13% 686 / 692
FirefoxFirefox
 96.01% 51,441 / 53,580 100.0% 7,476 / 7,476 — 0.92% 1 / 109 99.06% 5,888 / 5,944

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,991 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 845,540 / 845,742 99.81% 96,497 / 96,685 — 99.66% 637,207 / 639,402 98.3% 41,749 / 42,469
SafariSafari
 — 99.85% 46,599 / 46,670 99.97% 212,845 / 212,900 — —
EdgeEdge
 99.99% 139,914 / 139,922 100.0% 1,408 / 1,408 — 100.0% 4,138 / 4,138 99.42% 684 / 688
FirefoxFirefox
 99.97% 51,797 / 51,814 99.99% 7,220 / 7,221 — 1.0% 1 / 100 98.48% 5,633 / 5,720