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Codec: avc1.42140b

4.59% Encoder Support
2,889 of 62,968 sessions supported encoding
99.95% Decoder Support
11,853 of 11,859 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 62,968 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
0.01% 3 / 27,821 0.14% 6 / 4,292 0.17% 21 / 12,209 0.88% 14 / 1,584
SafariSafari
1.93% 32 / 1,661 1.57% 109 / 6,939
EdgeEdge
0.0% 0 / 5,028 0.0% 0 / 61 0.0% 0 / 110
FirefoxFirefox
95.73% 2,132 / 2,227 100.0% 309 / 309 98.8% 248 / 251

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,859 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.98% 5,269 / 5,270 99.69% 650 / 652 100.0% 2,260 / 2,260 99.18% 362 / 365
SafariSafari
100.0% 279 / 279 100.0% 1,370 / 1,370
EdgeEdge
100.0% 1,055 / 1,055 100.0% 12 / 12 100.0% 26 / 26
FirefoxFirefox
100.0% 402 / 402 100.0% 60 / 60 100.0% 36 / 36