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Codec: avc1.420814

3.96% Encoder Support
12,693 of 320,173 sessions supported encoding
99.94% Decoder Support
268,986 of 269,159 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 2
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 2 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,173 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.03% 41 / 143,631 0.16% 31 / 19,948 — 0.12% 79 / 63,576 0.67% 52 / 7,815
SafariSafari
 — 2.16% 186 / 8,613 1.42% 445 / 31,273 — —
EdgeEdge
 0.03% 8 / 30,892 0.0% 0 / 378 — 0.0% 0 / 971 0.0% 0 / 51
FirefoxFirefox
 96.25% 9,255 / 9,616 100.0% 1,302 / 1,302 — 0.0% 0 / 25 98.06% 1,265 / 1,290

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,159 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,096 / 121,131 99.88% 16,236 / 16,256 — 99.99% 53,704 / 53,711 99.06% 6,505 / 6,567
SafariSafari
 — 99.94% 7,241 / 7,245 99.99% 25,765 / 25,767 — —
EdgeEdge
 100.0% 26,846 / 26,847 100.0% 335 / 335 — 100.0% 884 / 884 100.0% 45 / 45
FirefoxFirefox
 99.99% 7,875 / 7,876 100.0% 1,045 / 1,045 — 0.0% 0 / 18 99.15% 1,055 / 1,064