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Codec: avc1.4d141e

84.44% Encoder Support
53,300 of 63,122 sessions supported encoding
99.94% Decoder Support
11,943 of 11,950 sessions supported decoding

Codec Specifications

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

VideoEncoder Support Matrix

Browser × Platform encoder support from 63,122 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.14% 27,515 / 27,753 99.93% 4,400 / 4,403 — 97.23% 11,786 / 12,122 98.21% 1,594 / 1,623
SafariSafari
 — 2.78% 47 / 1,688 1.76% 125 / 7,093 — —
EdgeEdge
 99.78% 4,925 / 4,936 100.0% 53 / 53 — 97.2% 104 / 107 —
FirefoxFirefox
 94.98% 2,157 / 2,271 100.0% 265 / 265 — 0.0% 0 / 18 98.97% 289 / 292

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,950 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 5,203 / 5,204 99.85% 679 / 680 — 100.0% 2,244 / 2,244 99.22% 381 / 384
SafariSafari
 — 100.0% 277 / 277 100.0% 1,437 / 1,437 — —
EdgeEdge
 100.0% 1,066 / 1,066 — — 100.0% 34 / 34 —
FirefoxFirefox
 100.0% 430 / 430 100.0% 40 / 40 — — 100.0% 57 / 57