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Codec: avc1.4d0029

98.87% Encoder Support
62,099 of 62,806 sessions supported encoding
99.91% Decoder Support
11,775 of 11,786 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,806 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.19% 27,267 / 27,491 99.91% 4,383 / 4,387 — 97.48% 11,891 / 12,198 97.7% 1,574 / 1,611
SafariSafari
 — 100.0% 1,597 / 1,597 100.0% 7,116 / 7,116 — —
EdgeEdge
 99.76% 5,033 / 5,045 100.0% 45 / 45 — 98.08% 102 / 104 —
FirefoxFirefox
 95.27% 2,015 / 2,115 100.0% 280 / 280 — 0.0% 0 / 12 99.64% 275 / 276

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,786 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.92% 5,161 / 5,165 99.86% 702 / 703 — 100.0% 2,209 / 2,209 99.25% 399 / 402
SafariSafari
 — 100.0% 262 / 262 100.0% 1,374 / 1,374 — —
EdgeEdge
 100.0% 1,048 / 1,048 — — 100.0% 30 / 30 —
FirefoxFirefox
 100.0% 398 / 398 100.0% 51 / 51 — — 100.0% 52 / 52