Are there any affordable or free PDF editing software recommendations?

To download a bunch of PDFs that contains a certain keyword using their link, use either of these downloaders:

• Batch Link Downloader
• iTextSharp
• URL Downloader
• Wondershare PDFelement

To convert a zip file to pdf, follow the steps given below: 

• Right click on the zip file.
• Choose Instant .pdf.
• Windows Explorer takes out the file and folders from the zip file and converts them to their PDF format.

There's no single best for everyone, as it depends on your needs and budget. Here are some popular options with different strengths:

• Free and Basic:
  • Adobe Acrobat Reader DC: Free, basic editing features like annotations and form filling.
  • Foxit Reader: Lightweight, clean interface, basic editing.
• Intermediate:
  • Sejda PDF Desktop: Affordable one-time purchase, advanced editing features like merging, splitting, and OCR.
  • Nitro Pro: Feature-rich, good for business users, subscription or one-time purchase.
• Advanced:
  • Adobe Acrobat Pro DC: Industry standard, professional editing tools, expensive subscription.
  • Nuance Power PDF: Advanced document conversion and security features, subscription or one-time purchase.

To print a PDF file without border, follow the steps given below:

• Open the PDF file.
• Click on File, then choose Print and then click on Show Details.
• Choose Borderless Print when the dialog box appears.
• This removes the margin, and the file is ready to get printed.

To find out the font name that is being used in your PDF, follow the steps given below:

• Open your file in Adobe Acrobat.
• Click on Properties in the menu bar.
• Click on font.
• Now search for the font that resembles best.