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Codec: avc1.420020

99.67% Encoder Support
62,597 of 62,806 sessions supported encoding
99.95% Decoder Support
11,885 of 11,891 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 3.2
Maximum Resolution 1080p (1920×1080)
Maximum Bitrate 20 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,806 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
99.79% 27,583 / 27,640 100.0% 4,271 / 4,271 99.83% 12,055 / 12,076 98.64% 1,598 / 1,620
SafariSafari
99.94% 1,636 / 1,637 100.0% 7,048 / 7,048
EdgeEdge
100.0% 5,049 / 5,049 100.0% 48 / 48 100.0% 110 / 110
FirefoxFirefox
95.77% 2,084 / 2,176 100.0% 287 / 287 0.0% 0 / 12 99.37% 314 / 316

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,891 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
100.0% 5,241 / 5,241 100.0% 678 / 678 100.0% 2,203 / 2,203 99.02% 404 / 408
SafariSafari
100.0% 266 / 266 100.0% 1,420 / 1,420
EdgeEdge
100.0% 1,036 / 1,036 100.0% 30 / 30
FirefoxFirefox
100.0% 401 / 401 100.0% 46 / 46 100.0% 59 / 59