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Codec: avc1.42100c

16.41% Encoder Support
52,635 of 320,755 sessions supported encoding
99.94% Decoder Support
269,634 of 269,805 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 1.2
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 384 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,755 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.02% 31 / 144,216 0.17% 33 / 19,640 — 0.15% 98 / 63,769 0.72% 57 / 7,895
SafariSafari
 — 99.92% 8,599 / 8,606 99.96% 31,184 / 31,198 — —
EdgeEdge
 0.03% 10 / 30,848 0.0% 0 / 399 — 0.0% 0 / 985 0.0% 0 / 63
FirefoxFirefox
 96.23% 9,310 / 9,675 100.0% 1,350 / 1,350 — 0.0% 0 / 33 98.39% 1,281 / 1,302

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,805 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,740 / 121,771 99.9% 16,001 / 16,017 — 99.98% 53,839 / 53,849 99.05% 6,587 / 6,650
SafariSafari
 — 100.0% 7,153 / 7,153 99.99% 25,616 / 25,618 — —
EdgeEdge
 99.99% 26,896 / 26,898 100.0% 365 / 365 — 100.0% 913 / 913 98.31% 58 / 59
FirefoxFirefox
 100.0% 7,901 / 7,901 100.0% 1,136 / 1,136 — 0.0% 0 / 26 99.44% 1,059 / 1,065