HEIC 转 AVIF
把 iPhone 的 HEIC 照片转成 AVIF，从只有手机认的格式换成网络上最省空间的格式。
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HEIC
The photo format iPhones shoot in. Excellent quality in small files, but many apps and websites can't open it.
AVIF
The newest, most compact image format available. Great quality at the smallest possible file size.