← Back to Codec Support Table

Codec: avc1.42081e

87.27% Encoder Support
280,087 of 320,937 sessions supported encoding
99.94% Decoder Support
269,739 of 269,907 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 3
Maximum Resolution SD/DVD (720×480)
Maximum Bitrate 10 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,937 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.84% 144,231 / 144,458 99.92% 19,599 / 19,614 — 99.77% 63,441 / 63,588 98.97% 7,618 / 7,697
SafariSafari
 — 2.18% 189 / 8,687 1.48% 463 / 31,252 — —
EdgeEdge
 99.99% 30,970 / 30,972 100.0% 345 / 345 — 99.59% 960 / 964 97.18% 69 / 71
FirefoxFirefox
 96.26% 9,454 / 9,821 100.0% 1,332 / 1,332 — 0.0% 0 / 32 99.01% 1,294 / 1,307

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,907 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 122,037 / 122,070 99.9% 15,938 / 15,954 — 99.99% 53,617 / 53,624 99.17% 6,415 / 6,469
SafariSafari
 — 99.92% 7,275 / 7,281 99.98% 25,669 / 25,674 — —
EdgeEdge
 100.0% 26,997 / 26,998 100.0% 298 / 298 — 100.0% 890 / 890 96.72% 59 / 61
FirefoxFirefox
 99.99% 8,022 / 8,023 100.0% 1,095 / 1,095 — 0.0% 0 / 25 99.44% 1,059 / 1,065