PDF was created to be uniform and difficult to modify.

Is there a difference between scanning a PDF by hand and editing a PDF directly?

First of all, the format u002F root makes no difference.

PDF was created to be uniform and difficult to modify.

Young teachers want us to toss: the significance of PDF, online pdf converter merge compress does it have its own unique benefits and advantages?

19 Agree · 4 Comment answer

However, apart from the above two aspects, convert merge pdf to single pdf is everything else problematic

First of all, why should PDF have a unified function to maintain the format?

You try to format your text/slide and naturally expect others to see it as you do

How to adjust line spacing and set paragraph width, such as word ...

Also, can you write in print? word to pdf converter free download offline Do not rule out some students for everyone calligraphy education, but this is a minority

In a word, the handwritten PDFS is ugly and poor to read, both in format and font itself.

Young people want to throw: the best PDF Reading Software.

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Second, handwritten PDF scanning is a problem

The scanned PDF file contains images, while the document PDF file consists of graphics, tables, and characters. The latter can be copied and used in other text editor (or PDF editors) , while the former requires OCR recognition to use characters.

Young teachers will toss: the best PDF editing technology software

zhuanlan.zhihu.com/p/136653793

In terms of file size, previous files were larger, probably due to the effect of the scan resolution, which is not yet clear. The following text and table are vector format, can be infinitely enlarged without distortion, printing effect is good.

Finally, many people like PDF conversion.

Hand-scanned PDFS are almost impossible to convert to text.

Many PDF conversion system softwares are designed to see the quality of the source PDF, not to let cow converter dig out anything.

At best, some of them have more features than others