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Codec: avc1.420016

99.62% Encoder Support
62,926 of 63,166 sessions supported encoding
99.96% Decoder Support
12,037 of 12,042 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 2.2
Maximum Resolution SD/DVD (720×480)
Maximum Bitrate 4 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,166 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.71% 27,912 / 27,992 99.98% 4,376 / 4,377 99.75% 12,069 / 12,099 99.13% 1,594 / 1,608
SafariSafari
99.88% 1,657 / 1,659 100.0% 6,980 / 6,980
EdgeEdge
100.0% 5,007 / 5,007 100.0% 53 / 53 100.0% 102 / 102 100.0% 15 / 15
FirefoxFirefox
95.55% 2,104 / 2,202 100.0% 283 / 283 99.32% 290 / 292

VideoDecoder Support Matrix

Browser × Platform decoder support from 12,042 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.94% 5,357 / 5,360 99.86% 689 / 690 100.0% 2,203 / 2,203 99.76% 415 / 416
SafariSafari
100.0% 277 / 277 100.0% 1,423 / 1,423
EdgeEdge
100.0% 1,020 / 1,020 100.0% 27 / 27
FirefoxFirefox
100.0% 436 / 436 100.0% 41 / 41 100.0% 50 / 50