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Codec: avc1.640816

86.16% Encoder Support
1,849,595 of 2,146,682 sessions supported encoding
99.8% Decoder Support
2,091,221 of 2,095,309 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 2.2
Maximum Resolution SD/DVD (720×480)
Maximum Bitrate 4 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,146,682 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.38% 861,201 / 866,561 99.76% 99,881 / 100,121 — 96.52% 627,165 / 649,769 96.32% 41,964 / 43,568
SafariSafari
 — 1.47% 710 / 48,238 1.88% 4,101 / 218,108 — —
EdgeEdge
 99.85% 143,197 / 143,408 99.93% 1,466 / 1,467 — 98.66% 4,194 / 4,251 98.4% 677 / 688
FirefoxFirefox
 95.98% 51,484 / 53,639 99.97% 7,398 / 7,400 — 0.91% 1 / 110 98.73% 5,831 / 5,906

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,095,309 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 843,801 / 843,989 99.82% 96,232 / 96,406 — 99.64% 637,513 / 639,795 98.32% 41,670 / 42,383
SafariSafari
 — 99.84% 46,785 / 46,859 99.98% 212,368 / 212,414 — —
EdgeEdge
 99.99% 139,285 / 139,292 100.0% 1,429 / 1,429 — 100.0% 4,175 / 4,175 98.52% 665 / 675
FirefoxFirefox
 99.97% 51,917 / 51,931 99.97% 7,165 / 7,167 — 0.97% 1 / 103 98.56% 5,598 / 5,680