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Codec: avc1.4d0015

16.39% Encoder Support
52,534 of 320,500 sessions supported encoding
99.95% Decoder Support
269,048 of 269,196 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Main
Level 2.1
Maximum Resolution SD (512×480)
Maximum Bitrate 4 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 320,500 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 / 143,797 0.12% 23 / 19,750 — 0.02% 11 / 63,672 0.35% 27 / 7,671
SafariSafari
 — 99.9% 8,586 / 8,595 99.97% 31,368 / 31,378 — —
EdgeEdge
 0.0% 1 / 31,205 0.28% 1 / 361 — 0.0% 0 / 1,000 0.0% 0 / 61
FirefoxFirefox
 96.28% 9,242 / 9,599 100.0% 1,309 / 1,309 — 0.0% 0 / 27 98.82% 1,258 / 1,273

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,196 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,218 / 121,250 99.91% 16,087 / 16,102 — 99.99% 53,585 / 53,592 99.2% 6,409 / 6,461
SafariSafari
 — 99.94% 7,215 / 7,219 99.99% 25,774 / 25,776 — —
EdgeEdge
 100.0% 27,129 / 27,130 100.0% 313 / 313 — 100.0% 925 / 925 100.0% 52 / 52
FirefoxFirefox
 100.0% 7,844 / 7,844 100.0% 1,066 / 1,066 — 0.0% 0 / 20 99.52% 1,034 / 1,039