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Codec: avc1.4d100d

16.29% Encoder Support
52,230 of 320,590 sessions supported encoding
99.94% Decoder Support
269,369 of 269,541 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 1.3
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 768 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,590 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 12 / 144,518 0.16% 32 / 19,751 — 0.02% 13 / 63,489 0.25% 19 / 7,655
SafariSafari
 — 99.84% 8,536 / 8,550 99.96% 31,085 / 31,096 — —
EdgeEdge
 0.01% 2 / 31,084 0.0% 0 / 357 — 0.0% 0 / 957 0.0% 0 / 56
FirefoxFirefox
 95.95% 9,292 / 9,684 100.0% 1,293 / 1,293 — 0.0% 0 / 29 98.01% 1,280 / 1,306

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,541 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 121,969 / 121,999 99.91% 16,068 / 16,083 — 99.99% 53,465 / 53,473 99.13% 6,405 / 6,461
SafariSafari
 — 99.87% 7,172 / 7,181 99.98% 25,539 / 25,543 — —
EdgeEdge
 100.0% 27,085 / 27,086 100.0% 314 / 314 — 100.0% 873 / 873 95.92% 47 / 49
FirefoxFirefox
 99.99% 7,950 / 7,951 100.0% 1,053 / 1,053 — 0.0% 0 / 22 99.35% 1,064 / 1,071