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Codec: avc1.420414

4.63% Encoder Support
2,909 of 62,791 sessions supported encoding
99.93% Decoder Support
11,915 of 11,923 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 2
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 2 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,791 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.04% 10 / 27,658 0.17% 7 / 4,225 — 0.19% 23 / 12,180 0.79% 12 / 1,522
SafariSafari
 — 2.48% 41 / 1,653 1.95% 137 / 7,017 — —
EdgeEdge
 0.0% 0 / 5,074 0.0% 0 / 52 — 0.0% 0 / 115 —
FirefoxFirefox
 95.38% 2,084 / 2,185 100.0% 278 / 278 — 0.0% 0 / 12 99.33% 297 / 299

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,923 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,237 / 5,238 99.85% 655 / 656 — 100.0% 2,229 / 2,229 98.65% 365 / 370
SafariSafari
 — 100.0% 295 / 295 100.0% 1,409 / 1,409 — —
EdgeEdge
 100.0% 1,049 / 1,049 100.0% 11 / 11 — 100.0% 32 / 32 —
FirefoxFirefox
 100.0% 424 / 424 100.0% 52 / 52 — — 100.0% 66 / 66