← Back to Codec Support Table

Codec: avc1.64142a

86.25% Encoder Support
277,155 of 321,339 sessions supported encoding
99.93% Decoder Support
269,924 of 270,112 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 321,339 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.27% 143,329 / 144,385 99.84% 19,836 / 19,868 — 96.34% 61,310 / 63,642 97.27% 7,457 / 7,666
SafariSafari
 — 2.2% 189 / 8,581 1.55% 488 / 31,472 — —
EdgeEdge
 99.85% 31,085 / 31,133 100.0% 378 / 378 — 98.29% 978 / 995 98.53% 67 / 68
FirefoxFirefox
 96.25% 9,271 / 9,632 100.0% 1,354 / 1,354 — 0.0% 0 / 32 98.96% 1,329 / 1,343

VideoDecoder Support Matrix

Browser × Platform decoder support from 270,112 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,803 / 121,836 99.85% 16,063 / 16,087 — 99.99% 53,820 / 53,828 98.93% 6,400 / 6,469
SafariSafari
 — 99.86% 7,232 / 7,242 99.99% 25,750 / 25,752 — —
EdgeEdge
 100.0% 27,118 / 27,118 100.0% 340 / 340 — 100.0% 924 / 924 98.41% 62 / 63
FirefoxFirefox
 99.99% 7,834 / 7,835 100.0% 1,120 / 1,120 — 0.0% 0 / 20 99.64% 1,095 / 1,099