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Let’s Discuss how to convert pdf to outline: To convert a PDF document to an outline format, you can use Adobe Acrobat Pro DC or any other PDF editor that has the capability to create and edit outlines.Select the pages you need to convert to text from the Apply to PDF group. Click Apply. Simply select the Convert All text to Outlines check box. If Acrobat warns you that the operation cannot be undone, click Yes to proceed.The quality of the outlines generated will depend on the quality and structure of the original PDF document. Some PDFs may have a better structure for conversion to an outline than others.

Here’s a step-by-step guide on how to convert pdf to  outline:

Step 1: Choose a PDF editor

To convert a PDF to an outline, you’ll need to use a PDF editor such as Adobe Acrobat Pro DC, Nitro Pro, or Foxit PhantomPDF.

Step 2: Open the PDF

Once you’ve selected your preferred PDF editor, open the PDF you want to convert.

Step 3: Convert the PDF to an outline

In Adobe Acrobat Pro DC, go to the “View” menu and select “Tools.” From there, select “Content Editing” and “Create Outlines.” This will convert the document’s text into editable outlines.

Step 4: Edit the outline

The outlines will be displayed in a new window, where you can edit and arrange them as desired. You can add, delete or move the outline headings, and adjust their level to create a hierarchical structure.

Step 5: Save the outline

You can also use following how to convert pdf to outline code:

import PyPDF2

# Open the PDF file in read-binary mode
with open(‘input_file.pdf’, ‘rb’) as pdf_file:

# Create a PDF reader object
pdf_reader = PyPDF2.PdfFileReader(pdf_file)

# Get the document outline
outlines = pdf_reader.getOutlines()

# Print the outline to the console
for outline in outlines:
print(outline.title, outline.page)

Once you’re satisfied with the outline, save the document as a PDF or in another format, such as Microsoft Word or HTML.

Actually, this is a trick in Acrobat to convert PDF text into outlines. The trick is to first insert transparent watermark and then flatten transparencies. 

In conclusion, converting a PDF to an outline can be a useful tool for organizing and summarizing long documents. By following these steps, you can easily convert a PDF into an outline that is easy to navigate and understand.In Nitro Pro and Foxit PhantomPDF, the process is similar – simply look for an option to convert the PDF to an outline or create an outline from the existing text.When you are satisfied with the outline, save the document as a PDF or in another format, such as Microsoft Word or HTML.