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Codec: avc1.42140c

4.46% Encoder Support
2,803 of 62,883 sessions supported encoding
99.96% Decoder Support
11,715 of 11,720 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 1.2
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 384 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,883 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 / 27,757 0.19% 8 / 4,314 — 0.16% 19 / 12,041 0.55% 9 / 1,639
SafariSafari
 — 1.83% 30 / 1,639 1.76% 124 / 7,065 — —
EdgeEdge
 0.0% 0 / 5,063 0.0% 0 / 53 — 0.0% 0 / 110 —
FirefoxFirefox
 95.1% 2,001 / 2,104 100.0% 294 / 294 — 0.0% 0 / 10 98.67% 296 / 300

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,720 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 5,118 / 5,118 100.0% 634 / 634 — 100.0% 2,226 / 2,226 99.23% 385 / 388
SafariSafari
 — 100.0% 276 / 276 100.0% 1,432 / 1,432 — —
EdgeEdge
 100.0% 1,013 / 1,013 — — 100.0% 40 / 40 —
FirefoxFirefox
 100.0% 397 / 397 100.0% 47 / 47 — — 100.0% 67 / 67