PDF 格式的博客
我们写关于使用 PDF 文件的高效性 带给你的文件格式文件 ,一个易于使用的丰富的 PDF 工具集由开源引擎提供支持。

5 Creative Footers for your PDF
When you look at the bottom of your book or your letter, you will find...
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Why they Made Grayscale
Tones in different shades limited to black, white and what’s in between &ndash...
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3 Rotation Hacks to Help you Correct PDF Pages
Now in this article, we’re showing you three different situations that need three...
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5 Tools that Allow you to Delete PDF Pages
Do you need to remove specific pages off a PDF file? Notice that you cannot...
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How to Extract Content of Scanned PDF to Text File (.txt)
There’s actually a tool that can convert scanned PDF files into text and...
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8 Uses of OCR Tool that Help you Everyday
Plenty of tools and software are already available online to make life easier and one...
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