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Codec: avc1.42041e

85.6% Encoder Support
53,803 of 62,852 sessions supported encoding
99.97% Decoder Support
11,953 of 11,957 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 62,852 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.77% 27,661 / 27,725 99.98% 4,334 / 4,335 — 99.67% 12,166 / 12,206 98.73% 1,627 / 1,648
SafariSafari
 — 2.35% 40 / 1,704 1.58% 108 / 6,833 — —
EdgeEdge
 100.0% 5,031 / 5,031 98.0% 49 / 50 — 100.0% 104 / 104 90.0% 9 / 10
FirefoxFirefox
 95.61% 2,091 / 2,187 100.0% 264 / 264 — 0.0% 0 / 12 100.0% 280 / 280

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,957 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,217 / 5,218 99.86% 701 / 702 — 100.0% 2,306 / 2,306 99.76% 409 / 410
SafariSafari
 — 100.0% 278 / 278 100.0% 1,379 / 1,379 — —
EdgeEdge
 100.0% 1,036 / 1,036 — — 100.0% 28 / 28 —
FirefoxFirefox
 100.0% 414 / 414 100.0% 46 / 46 — — 100.0% 65 / 65