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Codec: avc1.42101f

99.6% Encoder Support
62,680 of 62,930 sessions supported encoding
99.92% Decoder Support
11,990 of 11,999 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 62,930 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 99.75% 27,637 / 27,707 100.0% 4,359 / 4,359 — 99.7% 12,133 / 12,170 98.56% 1,579 / 1,602
SafariSafari
 — 99.94% 1,596 / 1,597 100.0% 6,972 / 6,972 — —
EdgeEdge
 100.0% 5,030 / 5,030 100.0% 53 / 53 — 100.0% 105 / 105 100.0% 13 / 13
FirefoxFirefox
 95.38% 2,126 / 2,229 100.0% 286 / 286 — — 98.99% 295 / 298

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,999 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 5,270 / 5,270 100.0% 682 / 682 — 100.0% 2,210 / 2,210 98.15% 371 / 378
SafariSafari
 — 100.0% 277 / 277 100.0% 1,438 / 1,438 — —
EdgeEdge
 100.0% 1,066 / 1,066 100.0% 10 / 10 — 100.0% 26 / 26 —
FirefoxFirefox
 100.0% 417 / 417 100.0% 55 / 55 — — 100.0% 66 / 66