Practical guides on webcam recording: formats, file sizes, audio pitfalls, and how to not lose a take. Written by the people who build KeepTake.
Why recordings from Center Stage webcams come out as square 1552x1552 video, which apps fall into the trap, and how an explicit resolution picker fixes it.
The engineering behind crash-proof long recordings: fragmented MP4, streaming to disk, live disk-space monitoring, and auto-segmenting, and how to apply them to your own setup.
Two macOS audio traps that ruin webcam recordings: ffmpeg's avfoundation input silently drops 10-25% of mic audio, and the iPhone Continuity mic hijacks the default input.
Real file sizes for webcam recording formats at 1080p30: about 8 GB per minute uncompressed, about 27 GB per 30 minutes for FFV1 lossless, and about 1.3 GB per 30 minutes for H.265.
Every practical way to record your webcam on macOS in 2026: QuickTime, Photo Booth, browser recorders, OBS, and dedicated recorders, with the honest tradeoffs of each.