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Codec: avc1.420816

85.2% Encoder Support
53,665 of 62,988 sessions supported encoding
99.92% Decoder Support
11,844 of 11,854 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 62,988 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.77% 27,550 / 27,614 99.95% 4,352 / 4,354 99.68% 12,210 / 12,249 98.56% 1,579 / 1,602
SafariSafari
2.37% 40 / 1,687 1.48% 105 / 7,100
EdgeEdge
100.0% 4,948 / 4,948 97.96% 48 / 49 100.0% 118 / 118 90.91% 10 / 11
FirefoxFirefox
95.82% 2,087 / 2,178 100.0% 282 / 282 99.32% 294 / 296

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,854 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.94% 5,159 / 5,162 99.86% 717 / 718 100.0% 2,179 / 2,179 98.71% 382 / 387
SafariSafari
100.0% 286 / 286 100.0% 1,429 / 1,429
EdgeEdge
100.0% 1,047 / 1,047 100.0% 35 / 35
FirefoxFirefox
100.0% 398 / 398 100.0% 48 / 48 100.0% 57 / 57