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Codec: avc1.4d082a

84.72% Encoder Support
53,604 of 63,271 sessions supported encoding
99.92% Decoder Support
11,846 of 11,855 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,271 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.11% 27,475 / 27,722 99.98% 4,379 / 4,380 — 97.37% 12,158 / 12,486 97.91% 1,545 / 1,578
SafariSafari
 — 1.83% 30 / 1,636 1.67% 117 / 7,010 — —
EdgeEdge
 99.8% 5,011 / 5,021 100.0% 50 / 50 — 98.98% 97 / 98 —
FirefoxFirefox
 95.23% 2,096 / 2,201 100.0% 306 / 306 — — 99.31% 288 / 290

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,855 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,206 / 5,207 100.0% 674 / 674 — 100.0% 2,290 / 2,290 98.44% 379 / 385
SafariSafari
 — 100.0% 264 / 264 100.0% 1,397 / 1,397 — —
EdgeEdge
 100.0% 999 / 999 — — 100.0% 27 / 27 —
FirefoxFirefox
 100.0% 414 / 414 100.0% 52 / 52 — — 100.0% 54 / 54