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Codec: avc1.42002a

99.69% Encoder Support
318,608 of 319,595 sessions supported encoding
99.94% Decoder Support
268,538 of 268,709 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 319,595 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.83% 143,357 / 143,599 99.9% 19,535 / 19,554 — 99.76% 63,587 / 63,743 98.84% 7,569 / 7,658
SafariSafari
 — 99.91% 8,584 / 8,592 99.98% 30,998 / 31,004 — —
EdgeEdge
 99.99% 30,951 / 30,953 100.0% 401 / 401 — 100.0% 955 / 955 98.41% 62 / 63
FirefoxFirefox
 95.89% 9,294 / 9,692 100.0% 1,293 / 1,293 — 0.0% 0 / 33 98.9% 1,264 / 1,278

VideoDecoder Support Matrix

Browser × Platform decoder support from 268,709 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 121,003 / 121,030 99.89% 15,858 / 15,876 — 99.99% 53,842 / 53,849 99.04% 6,420 / 6,482
SafariSafari
 — 99.9% 7,222 / 7,229 99.98% 25,404 / 25,410 — —
EdgeEdge
 100.0% 27,045 / 27,046 100.0% 361 / 361 — 100.0% 895 / 895 100.0% 56 / 56
FirefoxFirefox
 100.0% 7,957 / 7,957 100.0% 1,068 / 1,068 — 0.0% 0 / 20 99.25% 1,053 / 1,061