WukongPDF Blog

PDF tips, tutorials, and product updates.

The Difference Between Flattening and Compressing a PDF
Flattening and compressing are two operations that people often use interchangeably — or confuse entirely. Both can make a PDF easier to share.
PDF Compression Myths: What Actually Happens When You Compress a File
PDF compression is one of those things people do without thinking much about how it actually works. You click compress, the file gets smaller, done.
Why Your PDF Looks Different on Every Device (And How to Fix It)
PDF has a reputation for being the format that looks the same everywhere. That reputation is mostly deserved — but not entirely.
5 Ways an Unlocked PDF Can Put Your Data at Risk
Most people think of PDF security as optional — something to add if a document is particularly sensitive, but not a default.
3 Mistakes People Make When Signing PDF Documents
Signing a PDF has become straightforward enough that most people don't give it much thought — which is exactly when mistakes happen.
How to Keep PDF File Size Small When Sending Reports
Reports are one of the most common sources of oversized PDFs. Charts, graphs, tables, screenshots, and logos add up quickly — and by the time a...
5 Reasons to Translate a PDF Instead of Copy-Pasting
When you need content from a foreign-language PDF, the instinct is to copy the text, paste it into Google Translate, and work from there.
4 Ways to Share Photos as a Single PDF File
A folder of individual image files is awkward to share, easy to lose track of, and a pain to send by email.
5 Benefits of Converting Your Presentation to PDF
You've finished the presentation. The slides look good, the content is tight, and now you need to share it.
PDF vs Word: When to Use Each Format at Work
Most people use PDF and Word interchangeably without thinking too much about it.
5 Signs Your PDF File Is Corrupted and What to Do
A corrupted PDF doesn't always announce itself with an obvious error message.
6 Smart Ways to Use Watermarks on PDF Documents
Watermarks on PDFs serve more purposes than most people realize. They're not just for marking drafts or protecting confidential documents — though...
4 Reasons Your Scanned PDF Is Not Searchable (And How to Fix It)
You scan a document, open it in a PDF viewer, and try to search for a word — nothing.
5 Times You Should Password Protect a PDF
Most PDFs don't need a password. A newsletter, a product brochure, a public report — locking these down would just create friction for no reason.
How to Handle PDF Tables: 4 Tips for Extracting Data
Getting data out of a PDF table sounds simple until you actually try it. Copy-paste gives you a mess of misaligned text.
5 Reasons to Convert PDF to Word Before Editing
PDFs are great for sharing finished documents. They're not great for editing them.
When Should You Split a PDF? 4 Common Use Cases
Not every PDF needs to stay in one piece. Sometimes a document is too large to share as-is, too broad to send to a single person, or contains...
5 Situations Where You Need to Merge PDF Files
Sending five separate PDF attachments when one combined file would do the job is the kind of thing that makes recipients quietly annoyed.
7 Things You Can Do With an Online PDF Editor
Most people think of a PDF editor as a tool for fixing typos or filling in forms.
Why Is My PDF So Large? 5 Reasons and Quick Fixes
You exported a ten-page report and somehow ended up with a 45MB PDF. Or you scanned a single page and the file is bigger than a full movie trailer.