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Codec: avc1.42041f

87.36% Encoder Support
1,876,891 of 2,148,532 sessions supported encoding
99.8% Decoder Support
2,093,076 of 2,097,213 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 3.1
Maximum Resolution HD ready (1024×960)
Maximum Bitrate 14 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 2,148,532 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.93% 868,157 / 868,785 99.81% 100,202 / 100,393 — 99.5% 646,555 / 649,788 98.07% 43,235 / 44,084
SafariSafari
 — 1.48% 713 / 48,218 1.82% 3,972 / 217,858 — —
EdgeEdge
 99.99% 142,735 / 142,745 99.93% 1,444 / 1,445 — 99.91% 4,280 / 4,284 98.8% 661 / 669
FirefoxFirefox
 95.96% 51,179 / 53,331 99.96% 7,331 / 7,334 — 0.94% 1 / 106 98.79% 5,959 / 6,032

VideoDecoder Support Matrix

Browser × Platform decoder support from 2,097,213 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.98% 845,934 / 846,144 99.81% 96,515 / 96,703 — 99.65% 637,618 / 639,889 98.3% 42,158 / 42,885
SafariSafari
 — 99.84% 46,704 / 46,778 99.98% 212,173 / 212,216 — —
EdgeEdge
 99.99% 138,758 / 138,767 100.0% 1,410 / 1,410 — 100.0% 4,200 / 4,200 98.94% 652 / 659
FirefoxFirefox
 99.97% 51,531 / 51,547 99.94% 7,100 / 7,104 — 1.01% 1 / 99 98.56% 5,696 / 5,779