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Codec: avc1.640420

86.13% Encoder Support
1,850,067 of 2,147,991 sessions supported encoding
99.81% Decoder Support
2,092,875 of 2,096,927 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 3.2
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 20 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,147,991 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.36% 860,924 / 866,468 99.75% 100,510 / 100,766 — 96.49% 626,866 / 649,640 96.38% 42,255 / 43,840
SafariSafari
 — 1.49% 717 / 48,037 1.82% 3,986 / 218,616 — —
EdgeEdge
 99.84% 143,220 / 143,444 100.0% 1,477 / 1,477 — 98.85% 4,209 / 4,258 99.26% 671 / 676
FirefoxFirefox
 95.9% 51,508 / 53,709 100.0% 7,433 / 7,433 — 0.82% 1 / 122 98.88% 5,926 / 5,993

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,927 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 843,773 / 843,973 99.79% 96,933 / 97,135 — 99.66% 637,612 / 639,803 98.35% 41,923 / 42,628
SafariSafari
 — 99.84% 46,558 / 46,634 99.98% 212,906 / 212,954 — —
EdgeEdge
 99.99% 139,401 / 139,409 100.0% 1,438 / 1,438 — 100.0% 4,176 / 4,176 99.4% 668 / 672
FirefoxFirefox
 99.97% 51,910 / 51,928 99.97% 7,217 / 7,219 — 0.91% 1 / 110 98.37% 5,670 / 5,764