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Codec: avc1.42083c

85.22% Encoder Support
53,523 of 62,806 sessions supported encoding
85.55% Decoder Support
10,035 of 11,730 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 6
Maximum Resolution 8K (8192×4352)
Maximum Bitrate 240 Mbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,806 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.74% 27,585 / 27,656 99.81% 4,279 / 4,287 — 99.52% 12,104 / 12,162 97.84% 1,589 / 1,624
SafariSafari
 — 2.41% 39 / 1,617 1.65% 117 / 7,075 — —
EdgeEdge
 100.0% 4,968 / 4,968 100.0% 55 / 55 — 100.0% 114 / 114 100.0% 10 / 10
FirefoxFirefox
 95.2% 2,082 / 2,187 100.0% 260 / 260 — — 98.64% 290 / 294

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,730 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.96% 5,202 / 5,204 99.85% 662 / 663 — 99.55% 2,199 / 2,209 98.64% 362 / 367
SafariSafari
 — 2.77% 7 / 253 1.79% 25 / 1,395 — —
EdgeEdge
 100.0% 1,027 / 1,027 — — 100.0% 40 / 40 —
FirefoxFirefox
 100.0% 399 / 399 100.0% 44 / 44 — — 100.0% 52 / 52