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Codec: avc1.42100c

18.81% Encoder Support
11,819 of 62,840 sessions supported encoding
99.96% Decoder Support
11,911 of 11,916 sessions supported decoding

Codec Specifications

Codec Family AVC (H.264)
Profile Baseline
Level 1.2
Maximum Resolution SD (384×384 or smaller)
Maximum Bitrate 384 Kbps

VideoEncoder Support Matrix

Browser × Platform encoder support from 62,840 test sessions. Browser detection based on user agent strings.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 0.02% 6 / 27,576 0.09% 4 / 4,293 — 0.17% 21 / 12,249 0.67% 11 / 1,643
SafariSafari
 — 99.94% 1,712 / 1,713 99.94% 6,960 / 6,964 — —
EdgeEdge
 0.0% 0 / 5,013 0.0% 0 / 37 — 0.0% 0 / 103 —
FirefoxFirefox
 95.38% 2,084 / 2,185 100.0% 279 / 279 — — 99.01% 300 / 303

VideoDecoder Support Matrix

Browser × Platform decoder support from 11,916 test sessions. Decoder data collection started Jan 2026.

Browser Windows Windows macOS macOS iOS iOS Android Android Linux Linux
ChromeChrome/Chromium
 100.0% 5,133 / 5,133 100.0% 670 / 670 — 100.0% 2,329 / 2,329 98.74% 393 / 398
SafariSafari
 — 100.0% 262 / 262 100.0% 1,406 / 1,406 — —
EdgeEdge
 100.0% 1,063 / 1,063 — — 100.0% 31 / 31 —
FirefoxFirefox
 100.0% 411 / 411 100.0% 65 / 65 — — 100.0% 66 / 66