5 Ways to Add Audio to PDF 2026 (Tested and Playable)
Our workplaces are getting smarter and smarter, thanks greatly to the prevalence of digital documents like PDF. We can edit text, image, url, add buttons, execute actions, embed [...]
6 Ways to Remove Header and Footer in PDF (Online Free)
A PDF file might contain a header (the top margin of a page) and a footer (the bottom margin of a page), to display useful information on specified [...]
[6 Ways] How to Edit Certificate Online Free, Name Included
I received my certificate for a training program, but noticed the name was spelled incorrectly. I've requested a corrected version from the issuing organization, but the person [...]
(2026) 4 Ways to Make a PDF Uneditable
Making PDF editable is common, but the contrary---making a PDF uneditable is also needed, sometimes. Whatever the reason is to make a PDF non editable, there are solutions [...]
6 Ways to Add Page Numbers in PDF without Hassle
When we create or receive a PDF file, it is probably a multiple-page file, so it stands to reason you might sometimes want to insert page number in [...]
[2026]How to Add Blank Page to PDF without Breaking Format
We sometimes need to add blank or empty pages to a PDF for writing additional notes, or insert the blank/empty page as front or back cover for our [...]
How to Remove a Signature from a PDF in 7 Ways?
There are lots of reasons why you’d want to remove a digital or electronic signature from a signed PDF. You might notice a typo, might want to make [...]
How to Rearrange PDF Pages with or without Adobe Acrobat?
When we got a PDF file with pages out of order, we need to rearrange it. But without a PDF editor app featuring an Organize Pages tool or [...]
How to Count Words in PDF Using 5 Ways?
For the reason that a PDF is often complexly structured to preserve the consistency when viewing across different devices or platforms. It is not plain text based, it [...]
4 Ways to Resize A PDF Image: Enlarge or Shrink Easily
Using images in PDF format files is a fairly common practice. But if you want to enlarge a PDF image to print, or shrink the images in the [...]