查询下PPT里你用的字体是否规范，是否可商用。

Abstract Fonts (13,866 free fonts)

WEB Free Fonts for Windows and Mac / Font free Download

Archive of freely downloadable fonts.

Fonts for Print, Products & Screens

Free Fonts

Free Fonts to Download + Premium Typefaces

Download free fonts for Windows and Macintosh.

Lost Type is a Collaborative Digital Type Foundry

Download Free Fonts and Free Dingbats.

FREE fonts for graphic designers

优质字体免费下载站

中国首个字体品牌设计师交流网

方正字库官方网站

Quality fonts from the world’s best foundries.

Making the web more beautiful, fast, and open through great typography

The premium icon font for Ionic Framework