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Codec: avc1.64140b

4.39% Encoder Support
2,771 of 63,113 sessions supported encoding
99.9% Decoder Support
11,900 of 11,912 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,113 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
0.03% 7 / 27,984 0.07% 3 / 4,281 0.03% 4 / 12,192 0.43% 7 / 1,637
SafariSafari
2.21% 37 / 1,674 1.49% 104 / 6,966
EdgeEdge
0.0% 0 / 5,016 0.0% 0 / 47 0.0% 0 / 107
FirefoxFirefox
95.39% 2,068 / 2,168 100.0% 267 / 267 0.0% 0 / 11 98.88% 265 / 268

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,912 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.94% 5,195 / 5,198 99.7% 663 / 665 100.0% 2,255 / 2,255 99.22% 380 / 383
SafariSafari
100.0% 269 / 269 100.0% 1,464 / 1,464
EdgeEdge
100.0% 1,052 / 1,052 100.0% 40 / 40
FirefoxFirefox
100.0% 400 / 400 100.0% 49 / 49 100.0% 58 / 58