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Codec: avc1.42080a

3.91% Encoder Support
12,552 of 321,112 sessions supported encoding
99.94% Decoder Support
269,370 of 269,532 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 1
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 64 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 321,112 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.02% 28 / 144,749 0.18% 36 / 19,733 — 0.13% 81 / 63,421 0.59% 46 / 7,752
SafariSafari
 — 2.19% 189 / 8,620 1.38% 434 / 31,426 — —
EdgeEdge
 0.05% 15 / 31,072 0.0% 0 / 343 — 0.0% 0 / 971 0.0% 0 / 69
FirefoxFirefox
 95.8% 9,132 / 9,532 100.0% 1,297 / 1,297 — 0.0% 0 / 37 97.91% 1,265 / 1,292

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,532 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,944 / 121,975 99.89% 15,983 / 16,001 — 99.99% 53,462 / 53,466 99.15% 6,497 / 6,553
SafariSafari
 — 99.93% 7,250 / 7,255 99.99% 25,627 / 25,630 — —
EdgeEdge
 100.0% 27,080 / 27,081 100.0% 306 / 306 — 100.0% 895 / 895 96.61% 57 / 59
FirefoxFirefox
 99.99% 7,746 / 7,747 100.0% 1,068 / 1,068 — 0.0% 0 / 23 99.44% 1,063 / 1,069