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Codec: avc1.420416

85.54% Encoder Support
53,510 of 62,557 sessions supported encoding
99.93% Decoder Support
11,815 of 11,823 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 62,557 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.75% 27,499 / 27,567 99.98% 4,383 / 4,384 — 99.72% 12,055 / 12,089 98.79% 1,550 / 1,569
SafariSafari
 — 2.43% 41 / 1,684 1.68% 115 / 6,834 — —
EdgeEdge
 100.0% 4,977 / 4,977 100.0% 35 / 35 — 100.0% 93 / 93 —
FirefoxFirefox
 95.09% 2,150 / 2,261 100.0% 269 / 269 — — 99.02% 302 / 305

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,823 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.92% 5,206 / 5,210 99.85% 686 / 687 — 100.0% 2,186 / 2,186 99.24% 391 / 394
SafariSafari
 — 100.0% 299 / 299 100.0% 1,353 / 1,353 — —
EdgeEdge
 100.0% 1,025 / 1,025 — — 100.0% 29 / 29 —
FirefoxFirefox
 100.0% 458 / 458 100.0% 39 / 39 — — 100.0% 58 / 58