PDF online提供在线PDF转换服务，可以免费在线将Word、Excel、PPT、text、html、jpg等各式文件转换为PDF文件，非常方便。
Convert these following documents and image formats into PDF:
Documents
-MS Word (DOC | RTF)
-MS PowerPoint (PPT)
-MS Publisher (PUB)
-MS Excel (XLS)
-HTML (MHT)
-Text (TXT)
Images
JPG , GIF,
TIFF, BMP
PNG, EMF,
WMF
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