← Back to Codec Support Table

Codec: avc1.4d000a

16.36% Encoder Support
52,415 of 320,292 sessions supported encoding
99.94% Decoder Support
268,912 of 269,086 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 1
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 64 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,292 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 16 / 144,103 0.15% 30 / 19,719 — 0.01% 8 / 63,496 0.24% 19 / 7,811
SafariSafari
 — 99.87% 8,585 / 8,596 99.96% 31,232 / 31,245 — —
EdgeEdge
 0.0% 0 / 30,852 0.0% 0 / 368 — 0.0% 0 / 967 0.0% 0 / 64
FirefoxFirefox
 96.04% 9,249 / 9,630 100.0% 1,326 / 1,326 — 0.0% 0 / 34 98.04% 1,253 / 1,278

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,086 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,536 / 121,575 99.9% 16,027 / 16,043 — 99.99% 53,612 / 53,616 99.09% 6,498 / 6,558
SafariSafari
 — 99.9% 7,168 / 7,175 99.98% 25,558 / 25,563 — —
EdgeEdge
 100.0% 26,898 / 26,899 100.0% 331 / 331 — 100.0% 888 / 888 100.0% 56 / 56
FirefoxFirefox
 99.97% 7,835 / 7,837 100.0% 1,085 / 1,085 — 0.0% 0 / 20 99.23% 1,035 / 1,043