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Codec: avc1.421014

16.46% Encoder Support
52,752 of 320,455 sessions supported encoding
99.93% Decoder Support
269,144 of 269,337 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 320,455 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 / 143,631 0.17% 33 / 19,858 — 0.15% 94 / 63,820 0.75% 58 / 7,742
SafariSafari
 — 99.87% 8,555 / 8,566 99.96% 31,302 / 31,316 — —
EdgeEdge
 0.03% 8 / 30,864 0.28% 1 / 356 — 0.0% 0 / 995 0.0% 0 / 75
FirefoxFirefox
 96.01% 9,388 / 9,778 99.92% 1,290 / 1,291 — 0.0% 0 / 37 98.09% 1,285 / 1,310

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,337 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 121,104 / 121,134 99.89% 16,105 / 16,122 — 99.98% 53,870 / 53,880 98.99% 6,489 / 6,555
SafariSafari
 — 99.89% 7,185 / 7,193 99.99% 25,672 / 25,675 — —
EdgeEdge
 100.0% 26,874 / 26,875 100.0% 314 / 314 — 100.0% 909 / 909 98.44% 63 / 64
FirefoxFirefox
 99.99% 8,060 / 8,061 100.0% 1,058 / 1,058 — 0.0% 0 / 27 99.07% 1,062 / 1,072