When the default PDF reader cannot meet your needs, you need to change the default PDF program. This article explains how to change the default PDF viewer.
Need a PDF writer to write on your PDF documents? This post collects the 10 best free PDF writers that you can use on Windows, Mac, or other devices.
Wondering how to embed a video in a PDF? Read this post to get four ways to add videos as hyperlinks, attachments, or objects.
This post offers methods to replace PDF pages on Windows, Mac, and online. You can replace pages in a PDF straightforwardly or by adding and deleting pages.
This article offers 6 free ways to do a PDF word count. Check how to use PDF viewer, Google Docs, and other counter tools to calculate words easily.
Are you looking for a way to insert a PDF into PowerPoint? Find out the 5 easy methods in this article.
Flattening PDF documents is a good option to protect information. Follow the instructions to figure out how to flatten a PDF in 2025.
Read this post to find out five ways to insert PDF into Excel easily. Learn how to insert a PDF in Excel with the built-in Excel features and a PDF converter.
This post lists the 15 best free PDF readers to improve your PDF reading experience. Use them to open and view PDF files on Windows, Mac, or other devices.
When we need to scan paper documents to PDF, what kind of tool should we use? A PDF scanner is much needed in this case. See how to scan to PDF within clicks.
A uniform font size in a PDF can enhance readability. Learn how to change the font size in a PDF easily.
When we need to refer to another file in a PDF, the most direct way is to add an attachment to the PDF. This post covers how to attach a file to an existing PDF
This post talks about how to add notes to a PDF in the four top ways and PDF editors. Use offline and online tools to add text, comments, and more to PDFs.
A PDF strikethrough is to cross out PDF text, which can visualize what should be deleted from a PDF document. This post explains how to strikethrough in a PDF.
Do you need to markup your PDF file? Check this article to learn how to markup a PDF with several best free tools online and offline.
Almost all PDF software can remove highlight from text or area in PDF. Read this post to learn how to remove highlight in PDF for free on different OS.
PDF is an uneditable file format, thus making it hard to change the PDF font. Check out how to change the font in a PDF in this post.
Do you need to translate a PDF to another language so others can read it? Find out how to get the job done with the six translators in this post.
A PDF text remover is needed when we need to delete unwanted text from the PDF. This post offers several PDF editors for your information.
A scanned PDF isn't user-friendly because you cannot copy and search for any needed text within. Check out how to make a PDF searchable in this post.
Users expect PDFs to be easily editable as PDF is a popular file format nowadays. Finding it hard to make a PDF editable? Explore the answers in this post!
It is a regular task to compare PDFs in some industries. Check this post to learn the easy methods to compare PDF files on Windows, macOS, and online.
If you are wondering how to add background colors and images to a PDF, read this post to get 3 handy tools and methods to create PDF backgrounds efficiently.
Page numbers are an essential part of formal documents to specify the file size. If you need to add page numbers to PDF files, this post will hit the spot.
In some cases, designers may need PDFs to display and store their works compactly. Learn why to save graphic designs as PDFs.
Looking for the best PDF annotator to highlight, add notes to, and do more with PDFs on Windows or Mac? Here are the 8 best PDF annotation apps or software.
Wondering how to add bookmarks in PDF documents on Windows, Mac, and online for easy navigation? This post shares methods to add bookmarks to PDF for free.
This walkaround discusses how to search for a word in a PDF file just as doing it in MS Word. See the 4 ways to search in PDF files for keywords quickly.
Need to edit the images in your PDF file? Here are 3 useful tools and the step-by-step guides to edit PDF images by resizing, rotating them or more.
Users may want to hide sensitive text in a PDF document permanently. PDF redaction is a good method. See how to redact a PDF document for free.
