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Codec: avc1.4d140b

4.42% Encoder Support
2,785 of 63,006 sessions supported encoding
99.95% Decoder Support
11,871 of 11,877 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,006 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.02% 6 / 27,817 0.18% 8 / 4,403 — 0.04% 5 / 12,114 0.19% 3 / 1,557
SafariSafari
 — 2.54% 43 / 1,692 1.72% 120 / 6,957 — —
EdgeEdge
 0.0% 0 / 5,073 0.0% 0 / 49 — 0.0% 0 / 111 —
FirefoxFirefox
 94.52% 2,052 / 2,171 100.0% 253 / 253 — 0.0% 0 / 10 97.24% 282 / 290

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,877 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,196 / 5,197 100.0% 695 / 695 — 100.0% 2,203 / 2,203 99.49% 389 / 391
SafariSafari
 — 100.0% 266 / 266 100.0% 1,436 / 1,436 — —
EdgeEdge
 100.0% 1,034 / 1,034 100.0% 10 / 10 — 100.0% 30 / 30 —
FirefoxFirefox
 100.0% 422 / 422 100.0% 42 / 42 — — 100.0% 59 / 59