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Codec: avc1.4d140a

3.93% Encoder Support
12,616 of 320,637 sessions supported encoding
99.93% Decoder Support
269,664 of 269,850 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 320,637 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 21 / 144,152 0.1% 19 / 19,752 — 0.01% 8 / 63,892 0.32% 25 / 7,694
SafariSafari
 — 1.81% 155 / 8,552 1.45% 451 / 31,085 — —
EdgeEdge
 0.01% 2 / 31,006 0.0% 0 / 346 — 0.0% 0 / 933 0.0% 0 / 68
FirefoxFirefox
 95.78% 9,322 / 9,733 100.0% 1,323 / 1,323 — 0.0% 0 / 37 97.62% 1,271 / 1,302

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,850 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,803 / 121,836 99.88% 15,979 / 15,998 — 99.98% 53,976 / 53,988 99.05% 6,452 / 6,514
SafariSafari
 — 99.87% 7,155 / 7,164 99.99% 25,462 / 25,464 — —
EdgeEdge
 100.0% 27,076 / 27,076 100.0% 313 / 313 — 100.0% 857 / 857 98.33% 59 / 60
FirefoxFirefox
 100.0% 8,004 / 8,004 100.0% 1,099 / 1,099 — 0.0% 0 / 31 99.16% 1,064 / 1,073