How Can I Improve the Quality of a PDF?

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How can I improve the quality of a PDF?

It depends on how you are creating them, but you need to alter the setting as some conversion routs reduce the quality. Preserve image quality when saving from Word to PDF How do I make the images look clear in PDF when... How do I create a PDF from PSD and maintain the image quality? the above should hopefully get you started, when in doubt read the instructions

PDF documents can be cumbersome to edit, especially when you need to change the text or sign a form. However, working with PDFs is made beyond-easy and highly productive with the right tool.

How to Create PDF with minimal effort on your side:

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  2. Type, replace, or delete text anywhere in your PDF.
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The solution offers a vast space for experiments. Give it a try now and see for yourself. Create PDF with ease and take advantage of the whole suite of editing features.

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Create PDF: All You Need to Know

However, if it doesn't help, then the help of someone with more knowledge would be appreciated. So what do we do now? How do we convert the images to a PDF? Well most software will accept a PNG-TIFF and you can make this as much as your computer allow.  In my case, I am using GIMP and I like how it handles these files.  You could even try doing the conversion in JPG and saving the result in PDF format. Here is the source code we're using: