WukongPDF Blog

PDF tips, tutorials, and product updates.

How to Use PDF Comments and Annotations Effectively
PDF Annotation tools are more versatile than most people use them for. Most people highlight a line and add an occasional comment.
Why Lawyers and Accountants Still Rely on PDF
Legal and accounting professionals are among the most format-conservative groups in any industry.
PDF Batch Processing: How to Handle Multiple Files at Once
Compressing one PDF takes thirty seconds. Compressing fifty takes twenty-five minutes if you do them one at a time.
How to Create a Fillable PDF Form From Scratch
A fillable PDF Forms lets recipients type directly into designated fields — text boxes, checkboxes, dropdowns, signature areas — without needing to...
The Right Way to Handle PDF Attachments in Email
Most people send PDF attachments on autopilot — attach, send, done. That works fine until the file bounces back, the recipient can't open it, or you...
Why Adobe Is Quietly Bundling More Apps Into Acrobat — And What It Means for Users
If you opened your Windows computer recently and found a new Adobe app installed without asking for permission, you're not alone.
How to Convert a Book or Long Document to PDF Without Losing Formatting
Converting a long document — a book manuscript, a company handbook, a technical manual, a multi-chapter report — to PDF without losing formatting is...
When a PDF Is the Wrong Format to Send
PDF has become the default format for sharing almost anything professional — which has led to some situations where it's genuinely the wrong choice.
Why Is My PDF Blurry After Compressing?
Compression is supposed to make your PDF smaller — not worse looking. But if you've ever opened a compressed PDF and found blurry images, smeared...
How to Compare Two Versions of a PDF Document
Someone sends back a revised version of a contract and says "just a few minor changes.
PDF Security Levels Explained: Encryption, Passwords, and Permissions
PDF security isn't a single feature — it's a set of layered controls that work differently and protect against different things.
How to Convert a PDF to a PowerPoint Presentation
Someone sends you a PDF of a presentation and you need to edit it, re-present it, or incorporate its content into your own slides.
What to Do When a PDF Won't Print
You hit print. The printer makes a noise, maybe ejects a blank page, and nothing else happens. Or the job sits in the print queue indefinitely.
How to Rotate and Straighten Pages in a PDF
A PDF where one page is sideways, or where a scanned document came in at a slight angle, is more annoying than it sounds — especially when it needs...
The Difference Between PDF Layers and PDF Pages
PDF layers and PDF pages are both ways of organizing content inside a document, but they work completely differently and serve different purposes.
How to Share a PDF Without Email
Email is the default way most people share PDFs, but it isn't always the best option.
PDF Redaction: What It Is and How to Do It Right
Redaction means permanently removing sensitive information from a document so that it cannot be read, recovered, or reconstructed.
How to Convert a Web Page to PDF
Converting a web page to PDF is useful in more situations than it might seem — saving an article for offline reading, archiving a web-based invoice,...
Why Your PDF Prints Differently Than It Looks on Screen
You design something on screen, export it to PDF, send it to print, and the result looks different — colors are duller, a shade of blue turned...
How to Add Page Numbers to a PDF
Adding page numbers to a PDF that doesn't have them is a common enough need — a report assembled from multiple sources, a document that was exported...