WukongPDF Blog

PDF tips, tutorials, and product updates.

How to Export PDF Pages as Images
Exporting PDF pages as images is useful for embedding document pages in presentations, sharing slides as social media graphics, creating thumbnails,...
What Happens to Embedded Fonts When You Compress a PDF?
When you compress a PDF, you're primarily targeting image data — the largest contributor to file size in most documents.
How to Crop a PDF Page
Cropping a PDF page removes unwanted content from the edges — excessive white margins, headers or footers you don't need, or content outside the area...
Why Do Some PDFs Open Slowly on Mobile?
A PDF that opens instantly on a desktop but takes ten seconds to load on a phone isn't a phone problem — it's a PDF problem.
How to Make a PDF Editable in Google Docs
Making a PDF editable in Google Docs is straightforward — Google Drive converts the PDF into a Google Doc automatically when you open it the right...
What Is the Best Way to Store PDF Files Long-Term?
Storing PDF files for the long term — years or decades — requires more thought than simply keeping them in a folder.
How to Combine PDF and Word Files Together
Combining a PDF and a Word file into one document is a common need — a contract body in PDF with an appendix in Word, a report PDF with an updated...
How to Save a Webpage as a PDF
Saving a webpage as a PDF creates a permanent, portable copy that can be read offline, shared without a link, or archived for reference.
Why Does My PDF Look Pixelated?
A pixelated PDF — where text looks blocky, images are blurry, or everything seems low resolution — is almost never unfixable.
How to Convert PDF to PowerPoint
Converting a PDF to PowerPoint lets you edit slide content, rearrange layouts, and present material that originally came as a fixed PDF document.
Can You Password Protect a PDF for Free?
Yes — you can password protect a PDF for free without Adobe Acrobat Pro. Several free options exist, each with slightly different tradeoffs in terms...
How to Add a Hyperlink to a PDF
Adding a clickable hyperlink to a PDF — a URL that opens in a browser, an email address that opens a compose window, or an internal link that jumps...
How to Reduce PDF Size on iPhone
You need to send a PDF from your iPhone but it's too large to attach to an email or upload to a portal.
How to Convert a Scanned PDF to Word
Converting a scanned PDF to Word is a two-step process that most people try to skip — and then wonder why the result is poor.
Why Is My PDF Cutting Off Text?
A PDF where text is cut off at the edges — the right side of lines disappear, words are missing at the bottom, or content runs off the page — looks...
How to Add Page Numbers to a PDF
Adding page numbers to a PDF after it's been exported is a common need — a report merged from multiple sources, a document that was created without...
How to Use PDF Bookmarks for Navigation
PDF bookmarks are clickable navigation entries that appear in the sidebar panel of PDF viewers — the equivalent of a clickable table of contents...
How to Archive Emails as PDFs
Saving emails as PDFs creates permanent, portable records that exist independently of any email platform.
What Is the Difference Between Raster and Vector in PDFs?
A PDF file can contain two fundamentally different types of visual content: raster and vector.
How to Make a PDF Portfolio for Job Applications
A PDF portfolio for job applications is a single file that presents your work samples, CV, cover letter, and any other supporting materials in one...