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Codec: avc1.42080a

4.47% Encoder Support
2,844 of 63,643 sessions supported encoding
99.93% Decoder Support
12,072 of 12,080 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 63,643 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 4 / 28,075 0.16% 7 / 4,430 — 0.11% 14 / 12,178 0.31% 5 / 1,630
SafariSafari
 — 2.53% 41 / 1,622 1.54% 112 / 7,283 — —
EdgeEdge
 0.0% 0 / 5,004 0.0% 0 / 49 — 0.0% 0 / 108 0.0% 0 / 12
FirefoxFirefox
 95.2% 2,101 / 2,207 100.0% 276 / 276 — 0.0% 0 / 16 97.5% 273 / 280

VideoDecoder Support Matrix

Browser × Platform decoder support from 12,080 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,300 / 5,302 99.71% 696 / 698 — 100.0% 2,223 / 2,223 99.54% 429 / 431
SafariSafari
 — 100.0% 261 / 261 100.0% 1,499 / 1,499 — —
EdgeEdge
 100.0% 1,013 / 1,013 100.0% 12 / 12 — 100.0% 32 / 32 —
FirefoxFirefox
 100.0% 422 / 422 100.0% 47 / 47 — — 100.0% 57 / 57