WOFF2 转 TTF
把 WOFF2 网页字体转回可安装的 TTF，供设计工具、文档和桌面应用使用。
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To
WOFF2
The modern web font standard. Noticeably smaller than WOFF and the format every current browser prefers.
TTF
The classic TrueType font. Installs on any system and works in nearly every app — the safest all-round font format.