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Codec: avc1.641020

84.28% Encoder Support
53,121 of 63,029 sessions supported encoding
99.92% Decoder Support
11,851 of 11,860 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 63,029 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.15% 27,312 / 27,546 100.0% 4,388 / 4,388 — 95.9% 11,857 / 12,364 97.28% 1,537 / 1,580
SafariSafari
 — 2.62% 43 / 1,643 1.62% 114 / 7,049 — —
EdgeEdge
 99.8% 5,009 / 5,019 100.0% 47 / 47 — 99.1% 110 / 111 100.0% 11 / 11
FirefoxFirefox
 95.37% 2,100 / 2,202 100.0% 262 / 262 — 0.0% 0 / 12 98.37% 301 / 306

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,860 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,200 / 5,201 100.0% 658 / 658 — 100.0% 2,272 / 2,272 98.45% 380 / 386
SafariSafari
 — 100.0% 252 / 252 100.0% 1,408 / 1,408 — —
EdgeEdge
 100.0% 1,045 / 1,045 — — 100.0% 32 / 32 —
FirefoxFirefox
 100.0% 415 / 415 100.0% 46 / 46 — — 100.0% 58 / 58