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Codec: avc1.42080b

3.94% Encoder Support
12,626 of 320,573 sessions supported encoding
99.94% Decoder Support
269,484 of 269,647 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 1.1
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 192 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,573 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.03% 43 / 144,183 0.13% 25 / 19,619 — 0.14% 89 / 64,139 0.78% 60 / 7,702
SafariSafari
 — 1.76% 152 / 8,617 1.45% 450 / 31,094 — —
EdgeEdge
 0.03% 9 / 30,861 0.0% 0 / 367 — 0.0% 0 / 990 0.0% 0 / 65
FirefoxFirefox
 96.11% 9,181 / 9,553 100.0% 1,350 / 1,350 — 0.0% 0 / 34 98.09% 1,234 / 1,258

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,647 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 121,770 / 121,798 99.89% 15,997 / 16,015 — 99.99% 54,052 / 54,059 99.03% 6,417 / 6,480
SafariSafari
 — 99.96% 7,237 / 7,240 99.99% 25,587 / 25,589 — —
EdgeEdge
 100.0% 26,854 / 26,854 100.0% 321 / 321 — 100.0% 909 / 909 98.33% 59 / 60
FirefoxFirefox
 99.99% 7,773 / 7,774 100.0% 1,126 / 1,126 — 0.0% 0 / 27 99.42% 1,026 / 1,032