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Codec: avc1.42001e

99.69% Encoder Support
318,418 of 319,408 sessions supported encoding
99.94% Decoder Support
268,438 of 268,605 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 3
Maximum Resolution SD/DVD (720×480)
Maximum Bitrate 10 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 319,408 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.81% 142,999 / 143,265 99.89% 19,494 / 19,515 — 99.76% 63,510 / 63,662 98.9% 7,618 / 7,703
SafariSafari
 — 99.94% 8,507 / 8,512 99.99% 31,252 / 31,256 — —
EdgeEdge
 100.0% 30,925 / 30,926 100.0% 358 / 358 — 99.69% 963 / 966 100.0% 64 / 64
FirefoxFirefox
 95.98% 9,326 / 9,717 100.0% 1,323 / 1,323 — 0.0% 0 / 24 98.72% 1,311 / 1,328

VideoDecoder Support Matrix

Browser × Platform decoder support from 268,605 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 120,997 / 121,030 99.87% 15,866 / 15,886 — 99.99% 53,692 / 53,699 99.11% 6,488 / 6,546
SafariSafari
 — 99.96% 7,125 / 7,128 99.98% 25,552 / 25,556 — —
EdgeEdge
 100.0% 26,945 / 26,945 100.0% 311 / 311 — 100.0% 899 / 899 100.0% 57 / 57
FirefoxFirefox
 99.99% 7,963 / 7,964 100.0% 1,100 / 1,100 — 0.0% 0 / 20 99.35% 1,068 / 1,075