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Codec: avc1.4d0415

3.92% Encoder Support
12,548 of 319,892 sessions supported encoding
99.93% Decoder Support
268,911 of 269,104 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 319,892 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.01% 16 / 144,202 0.09% 18 / 19,713 — 0.01% 8 / 63,284 0.38% 30 / 7,843
SafariSafari
 — 2.03% 172 / 8,454 1.49% 465 / 31,163 — —
EdgeEdge
 0.0% 1 / 30,725 0.0% 0 / 367 — 0.0% 0 / 1,014 0.0% 0 / 61
FirefoxFirefox
 96.06% 9,258 / 9,638 100.0% 1,293 / 1,293 — 0.0% 0 / 28 97.91% 1,265 / 1,292

VideoDecoder Support Matrix

Browser × Platform decoder support from 269,104 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.97% 121,705 / 121,741 99.86% 15,927 / 15,949 — 99.99% 53,423 / 53,430 98.81% 6,549 / 6,628
SafariSafari
 — 99.9% 7,104 / 7,111 100.0% 25,600 / 25,601 — —
EdgeEdge
 100.0% 26,826 / 26,826 100.0% 320 / 320 — 100.0% 929 / 929 100.0% 54 / 54
FirefoxFirefox
 99.99% 7,944 / 7,945 100.0% 1,075 / 1,075 — 0.0% 0 / 22 99.44% 1,056 / 1,062