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Codec: avc1.640c2a

98.45% Encoder Support
2,114,335 of 2,147,695 sessions supported encoding
99.81% Decoder Support
2,092,322 of 2,096,357 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 4.2
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,147,695 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.36% 861,108 / 866,611 99.78% 100,493 / 100,717 — 96.52% 626,900 / 649,525 96.27% 42,158 / 43,793
SafariSafari
 — 99.8% 47,982 / 48,077 99.98% 218,255 / 218,302 — —
EdgeEdge
 99.84% 143,934 / 144,171 100.0% 1,486 / 1,486 — 98.66% 4,124 / 4,180 99.42% 690 / 694
FirefoxFirefox
 95.87% 51,085 / 53,285 99.97% 7,308 / 7,310 — 0.0% 0 / 107 98.91% 5,911 / 5,976

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,096,357 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 843,736 / 843,921 99.81% 96,809 / 96,992 — 99.65% 637,401 / 639,620 98.36% 41,934 / 42,633
SafariSafari
 — 99.87% 46,587 / 46,646 99.98% 212,585 / 212,633 — —
EdgeEdge
 99.99% 140,158 / 140,167 100.0% 1,449 / 1,449 — 100.0% 4,101 / 4,101 99.42% 681 / 685
FirefoxFirefox
 99.96% 51,492 / 51,515 99.97% 7,092 / 7,094 — 0.0% 0 / 97 98.54% 5,652 / 5,736