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#compression
3 posts
May 17, 2026
What is CRF in video compression? A practical guide for non-engineers
CRF is the single most useful knob in modern video encoding — but most guides explain it wrong. Here's what it actually does, with concrete recommendations.
May 17, 2026
视频压缩里的 CRF 到底是什么？给非工程师的实用指南
CRF 是现代视频编码里最有用的一个旋钮——但大多数教程把它解释错了。这篇讲它实际在做什么，附具体推荐参数。
May 17, 2026
How to compress an MP4 without losing quality (Mac, 2026)
"Visually lossless" is achievable. Here's the recipe — codec, CRF, preset — and how much smaller you can realistically expect.