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Codec: avc1.640029

98.63% Encoder Support
62,053 of 62,918 sessions supported encoding
99.95% Decoder Support
11,920 of 11,926 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile High
Level 4.1
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 50 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,918 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.17% 27,627 / 27,859 99.91% 4,245 / 4,249 — 96.21% 11,638 / 12,096 97.74% 1,560 / 1,596
SafariSafari
 — 99.94% 1,643 / 1,644 100.0% 7,057 / 7,057 — —
EdgeEdge
 99.92% 4,956 / 4,960 100.0% 56 / 56 — 96.81% 91 / 94 100.0% 13 / 13
FirefoxFirefox
 94.85% 2,081 / 2,194 100.0% 291 / 291 — — 98.71% 307 / 311

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,926 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,271 / 5,272 99.86% 696 / 697 — 100.0% 2,236 / 2,236 99.2% 372 / 375
SafariSafari
 — 100.0% 284 / 284 100.0% 1,364 / 1,364 — —
EdgeEdge
 100.0% 1,011 / 1,011 — — 100.0% 32 / 32 —
FirefoxFirefox
 100.0% 432 / 432 100.0% 56 / 56 — — 100.0% 69 / 69