← Back to Codec Support Table

Codec: avc1.420014

16.55% Encoder Support
53,178 of 321,234 sessions supported encoding
99.93% Decoder Support
270,056 of 270,245 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 321,234 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.03% 39 / 144,379 0.14% 28 / 19,641 — 0.11% 70 / 63,580 0.71% 55 / 7,744
SafariSafari
 — 99.9% 8,692 / 8,701 99.96% 31,642 / 31,656 — —
EdgeEdge
 0.02% 6 / 30,969 0.0% 0 / 355 — 0.0% 0 / 988 0.0% 0 / 54
FirefoxFirefox
 96.19% 9,360 / 9,731 100.0% 1,364 / 1,364 — 0.0% 0 / 30 97.98% 1,213 / 1,238

VideoDecoder Support Matrix

Browser × Platform decoder support from 270,245 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,811 / 121,846 99.85% 15,969 / 15,993 — 99.99% 53,740 / 53,748 99.01% 6,488 / 6,553
SafariSafari
 — 99.9% 7,297 / 7,304 99.99% 25,952 / 25,954 — —
EdgeEdge
 100.0% 26,990 / 26,991 100.0% 312 / 312 — 100.0% 913 / 913 100.0% 50 / 50
FirefoxFirefox
 99.99% 7,969 / 7,970 100.0% 1,144 / 1,144 — 0.0% 0 / 23 99.32% 1,018 / 1,025