← Back to Codec Support Table

Codec: avc1.640c28

98.6% Encoder Support
62,072 of 62,953 sessions supported encoding
99.9% Decoder Support
12,009 of 12,021 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 4
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 20 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,953 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.09% 27,363 / 27,613 99.84% 4,263 / 4,270 — 96.24% 11,816 / 12,278 97.57% 1,607 / 1,647
SafariSafari
 — 99.94% 1,691 / 1,692 100.0% 7,044 / 7,044 — —
EdgeEdge
 99.86% 4,963 / 4,970 100.0% 62 / 62 — 100.0% 93 / 93 100.0% 12 / 12
FirefoxFirefox
 95.57% 2,091 / 2,188 100.0% 307 / 307 — 0.0% 0 / 10 99.64% 274 / 275

VideoDecoder Support Matrix

Browser × Platform decoder support from 12,021 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,173 / 5,174 99.57% 692 / 695 — 100.0% 2,327 / 2,327 98.34% 414 / 421
SafariSafari
 — 100.0% 280 / 280 100.0% 1,427 / 1,427 — —
EdgeEdge
 100.0% 1,055 / 1,055 100.0% 12 / 12 — 100.0% 29 / 29 —
FirefoxFirefox
 100.0% 417 / 417 100.0% 50 / 50 — — 100.0% 52 / 52