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Codec: avc1.42141e

85.24% Encoder Support
53,498 of 62,758 sessions supported encoding
99.94% Decoder Support
11,815 of 11,822 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 3
Maximum Resolution SD/DVD (720×480)
Maximum Bitrate 10 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,758 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.76% 27,517 / 27,583 99.95% 4,394 / 4,396 — 99.73% 11,966 / 11,998 98.94% 1,587 / 1,604
SafariSafari
 — 2.4% 39 / 1,628 1.67% 119 / 7,110 — —
EdgeEdge
 99.98% 5,030 / 5,031 100.0% 53 / 53 — 100.0% 104 / 104 —
FirefoxFirefox
 94.72% 2,083 / 2,199 100.0% 267 / 267 — — 99.66% 295 / 296

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,822 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,156 / 5,157 100.0% 664 / 664 — 100.0% 2,168 / 2,168 98.44% 379 / 385
SafariSafari
 — 100.0% 266 / 266 100.0% 1,483 / 1,483 — —
EdgeEdge
 100.0% 1,036 / 1,036 — — 100.0% 32 / 32 —
FirefoxFirefox
 100.0% 423 / 423 100.0% 53 / 53 — — 100.0% 62 / 62